# Synergy Services Co., Ltd.

> Industrial cooling tower service company based in Bangkok, Thailand, operating since 2006.
> Synergy Services provides inspection and CTI-standard performance testing, overhaul and
> maintenance, spare parts supply and replacement, and upgrade and reconstruction for
> industrial cooling towers. ISO 9001:2015 certified (Certificate 9940, Peers Quality
> Assurance Ltd, UKAS-accredited) and a member of the Cooling Technology Institute (CTI).
> Head office in Prawet, Bangkok, with workshops in Rayong (Eastern Seaboard) and Khon Kaen
> (Northeast Thailand). Thai company registration / Tax ID 0105549045965.
>
> Sectors served: petrochemical and chemical processing, power generation (coal, natural gas,
> biomass), sugar and ethanol, pulp and paper, cement, general industrial manufacturing.
> Reference clients include EGAT (Electricity Generating Authority of Thailand), Hongsa Power
> Plant (Laos), and SCGC Group plants in Rayong and Map Ta Phut. Bilingual: English at the
> root, Thai under /th/.

## Services

- [Cooling Tower Inspection & Performance Testing Thailand](https://synergyservices.co.th/service/cooling-tower-inspection-performance-testing-thailand/): CTI-procedure thermal performance testing, airflow and fan analysis, mechanical inspection of fill, eliminators, nozzles and basin, water distribution uniformity, vibration analysis. Done during normal operation with no shutdown; single-cell test 4–8 hours, multi-cell 1–2 days.
- [Cooling Tower Overhaul & Maintenance Service Thailand](https://synergyservices.co.th/service/cooling-tower-overhaul-maintenance-thailand/): Scheduled preventive maintenance and corrective overhaul covering gearboxes, motors, fan blades, bearings, casing, louvers, basins, fill and drift eliminators, plus high-pressure cleaning, descaling, and Legionella-risk coordination.
- [Cooling Tower Parts Replacement & Spare Parts Thailand](https://synergyservices.co.th/service/cooling-tower-parts-replacement-spare-parts-thailand/): Supply and installation of film and splash fill media, drift eliminators, FRP and aluminium fan blades, gearboxes, drive shafts, bearings, nozzles, casing. Authorised supplier for Terra Cooling Industries and Brentwood Industries. Single-cell fill replacement typically 3–7 days.
- [Cooling Tower Upgrade & Reconstruction Thailand](https://synergyservices.co.th/service/cooling-tower-upgrade-reconstruction-thailand/): Performance retrofits (film fill upgrade, VFD drives, distribution redesign), capacity expansion, structural reconstruction, energy-efficiency optimisation. Towers 15–20 years old often run at 70–85% of design; upgrades typically cut fan energy 15–30% with 3–6 year payback. Also offers the AFI UNIQUE patented fan retrofit, which corrects tip backflow, hub vortices and uneven plenum feed (no published performance figures).
- [All services overview](https://synergyservices.co.th/service/): Index of the four cooling tower service lines.

## Products

- [Product overview](https://synergyservices.co.th/products/): Cooling-tower parts supplied by Synergy Services, organised into exactly three practical groups.
- [Mechanical Parts](https://synergyservices.co.th/products/mechanical-parts/): Gearbox or gear, fan assembly, and drive shaft.
- [Static Parts](https://synergyservices.co.th/products/static-parts/): Fill or fill media, drift eliminator, and nozzle.
- [Structure and Accessories](https://synergyservices.co.th/products/structure-accessories/): FRP structure and accessories for repair, replacement, upgrade, and reconstruction.

## Technical guides

- [Cooling Tower Water Too Warm? 7 Checks Before a Major Repair](https://synergyservices.co.th/blog/cooling-tower-water-not-cold/): Structured diagnostic sequence for a tower that is not cooling — approach vs wet-bulb, water flow vs design, distribution and nozzle spray pattern, fill condition, fan and drive airflow, air-inlet obstruction and recirculation, measurement validity.
- [Cooling Tower Fill Replacement: How It Saves Energy and Reduces Operating Costs](https://synergyservices.co.th/blog/cooling-tower-fill-replacement/): How fill works, the four degradation modes (scale, biofouling, mechanical deformation, chemical attack), signs replacement is needed, expected gains. Fill service life typically 10–20 years.
- [Cooling Tower Preventive Maintenance: Reduce Downtime and Extend Equipment Life](https://synergyservices.co.th/blog/cooling-tower-preventive-maintenance/): What to inspect on fill, drift eliminators, fan and drive system, water distribution and basin, with a monthly / quarterly / annual / as-required schedule table.
- [Cooling Tower Performance Testing: What It Is and Why It Matters](https://synergyservices.co.th/blog/cooling-tower-performance-testing/): What a CTI performance test measures, the instrumentation and analysis workflow, when to schedule a test.
- [All articles](https://synergyservices.co.th/blog/): Cooling tower inspection, testing, maintenance and parts articles.
- [Cooling Tower Glossary](https://synergyservices.co.th/glossary/): Definitions of eleven core cooling tower components — fan stack, fan blade, gearbox, motor, drive shaft, drift eliminator, distribution system, spray nozzle, fill pack, air inlet, and cold water basin.

## Reference projects

- [Hongsa Power fill replacement](https://synergyservices.co.th/project/hongsa-power-cooling-tower-fill-replacement/): 1,878 MW coal-fired power station in Laos — 3 natural-draft cooling tower units, Terra TCI-C-29CC fill, and 4 tube-settler tanks replaced.
- [SCGC Group fill replacement](https://synergyservices.co.th/project/scgc-cooling-tower-fill-replacement/): SCGC Group petrochemical plants in Rayong and Map Ta Phut — 25 cells across five plants, with Terra TCI-C-19CC, TCI-C-VOF20, and TCI-C-BOF21 fill, 2021–2024; related price-list contract covered seven plants.
- [EGAT fill replacement](https://synergyservices.co.th/project/egat-chana-cooling-tower-fill-replacement/): Electricity Generating Authority of Thailand, EGAT Chana power plant — Terra TCI-C-SHP18/500 fill replaced in 1 cell in 2023, within Synergy's broader EGAT maintenance relationship.
- [BBGI Bio Diesel 12-cell performance and airflow assessment](https://synergyservices.co.th/project/bbgi-bo-phloi-cooling-tower-performance-airflow-assessment/): BBGI Bio Diesel Company Limited, Bo Phloi, Kanchanaburi — performance and airflow testing across 12 cells; the U-911 crossflow example derived a 48.9% engineering estimate of original-design capability from a generated reference curve.
- [IRPC Lube Cell D fill replacement and performance restoration](https://synergyservices.co.th/project/irpc-lube-cooling-tower-fill-replacement-performance/): IRPC Public Company Limited, cooling tower Cell D — nozzle, fill and drift-eliminator replacement with before/after comparative testing; cooling-tower effectiveness rose from 79.58% to 87.55%.
- [PTTGC gearbox and fan maintenance](https://synergyservices.co.th/project/pttgc-cooling-tower-gearbox-fan-maintenance/): PTT Global Chemical Public Company Limited — gearbox oil-seal replacement, lubrication service, and fan-blade pitch, tip-clearance and tip-tracking setup with airflow verification.
- [Suphan Buri Amarillo FD1110 gearbox overhaul](https://synergyservices.co.th/project/suphan-buri-amarillo-fd1110-cooling-tower-gearbox-overhaul/): Thip Suphanburi Bio Energy Co., Ltd. — controlled removal, workshop overhaul, reinstallation and alignment of an Amarillo FD1110 gearbox on an 8 MW bioenergy-plant cooling tower.
- [MCLS Asia CT 917A gearbox replacement](https://synergyservices.co.th/project/mcls-ct917a-cooling-tower-gearbox-replacement/): MCLS Asia Co., Ltd., cooling tower CT 917A — gearbox replacement with vibration, alignment and fan-geometry measurements before and after the work.
- [PPPC ET2 structure repair and drift-eliminator replacement](https://synergyservices.co.th/project/pppc-et2-cooling-tower-structure-drift-eliminator-repair/): Phoenix Pulp And Paper Public Company Limited, cooling tower ET2 — FRP support repair, grid-fill support work, and Terra TCI-X-1200 drift-eliminator replacement.
- [Kanchanaburi Bio-Energy drive-shaft and gearbox replacement](https://synergyservices.co.th/project/kbe-cooling-tower-drive-shaft-gearbox-replacement/): Kanchanaburi Bio-Energy Company Limited — gearbox replacement on Cell A and ADDAX LRF 450.275SS drive-shaft replacement on Cells A and B, with laser alignment and vibration checks.
- [Zeon Chemicals Asia cleaning and performance test](https://synergyservices.co.th/project/zeon-cooling-tower-cleaning-performance-test/): Zeon Chemicals Asia Co., Ltd. — 2024 historical cooling-tower cleaning and comparative performance test on Cell A; cooling effectiveness rose from 37.50% to 53.70%.
### Awarded project scopes (2026)

- [Advance Agro Asia: MATRIX Cooling Tower Gearbox Replacement](https://synergyservices.co.th/project/advance-agro-asia-matrix-gearbox-replacement/): Awarded scope — Removal and installation of a MATRIX cooling-tower gearbox with baseline vibration/alignment measurements, fan inspection and 50-ton crane support.
- [AGC Flat Glass Pluak Daeng: Cooling Tower Vibration Spectrum Analysis](https://synergyservices.co.th/project/agc-pluak-daeng-vibration-spectrum-analysis/): Awarded scope — One-cell vibration spectrum analysis intended to identify cooling-tower equipment exceeding vibration criteria and establish a diagnostic report.
- [AGC Vinythai: Amarillo FD1712 Gearbox Overhaul](https://synergyservices.co.th/project/agc-vinythai-amarillo-fd1712-overhaul/): Awarded scope — Workshop overhaul of an Amarillo FD1712 gearbox with clearance recording, PT testing, bearing/oil-seal replacement and no-load testing.
- [Air Liquide Thailand: Amarillo 110 Gearbox Overhaul](https://synergyservices.co.th/project/air-liquide-amarillo-110-gearbox-overhaul/): Awarded scope — Workshop overhaul of an Amarillo 110 gearbox with dismantling, PT testing, bearing/seal replacement and workshop test run.
- [Air Liquide Thailand: Two-Cell PM and Cell-C Motor/Gearbox Replacement](https://synergyservices.co.th/project/air-liquide-three-cell-pm-motor-gear-replacement/): Awarded scope — Three-cell cooling-tower intervention: preventive maintenance on Cells A/B and replacement of the motor and gearbox on Cell C.
- [Amata B.Grimm Power 1: Cooling Tower Gearbox Replacement](https://synergyservices.co.th/project/amata-bgrimm-power1-cooling-tower-gearbox-replacement/): Awarded scope — Cooling-tower Cell 1 gearbox replacement with a 60-ton mobile crane, baseline alignment/fan measurements, oil service, recommissioning and vibration checks.
- [Angvian Industry: FRP Fan Blade, Hub and Root-Cap Refurbishment](https://synergyservices.co.th/project/angvian-ratchasima-sugar-fan-blade-hub-refurbishment/): Awarded scope — Refurbishment of a six-blade 6,240 mm fan set with ceramic repair, epoxy coating, blade balancing, hub coating and stainless root-cap/fastener replacement.
- [Ayutthaya Industrial Gas: Two-Set Cofimco Fan Blade Coating](https://synergyservices.co.th/project/ayutthaya-industrial-gas-cofimco-fan-coating/): Awarded scope — Refurbishment and protective coating of two Cofimco FRP fan sets, including ceramic repair, epoxy coating and blade weight balancing.
- [BST ENEOS Elastomer: Clarifier Tube Settler Replacement](https://synergyservices.co.th/project/bst-eneos-clarifier-tube-settler-replacement/): Awarded scope — Adjacent industrial-water project covering removal and installation of tube-settler media in a clarifier tank under confined-space conditions.
- [Buriram Sugar: AFI SmartFan Upgrade for Two Cooling Tower Cells](https://synergyservices.co.th/project/buriram-sugar-afi-smartfan-upgrade/): Awarded scope — two-cell AFI SmartFan upgrade at Buriram Sugar, with post-install airflow testing included in the work order.
- [Cool Connext: Annual Preventive Maintenance Across Eight Cooling Tower Units](https://synergyservices.co.th/project/cool-connext-eight-unit-cooling-tower-pm/): Awarded scope — Annual preventive maintenance across eight cooling-tower units, integrating vibration spectrum analysis, alignment, lubrication and leak correction.
- [Covestro Plant 2: Cooling Tower Mechanical Overhaul and Fan Replacement](https://synergyservices.co.th/project/covestro-plant2-cooling-tower-overhaul/): Awarded scope — One-cell cooling-tower overhaul covering packing and drift-eliminator inspection, fan/hub replacement, alignment, field balancing and mechanical-support restoration.
- [Covestro: Ten-Blade Fan Coating and New Hub Fabrication](https://synergyservices.co.th/project/covestro-ten-blade-fan-coating-hub-fabrication/): Awarded scope — Protective refurbishment of ten fan blades combined with fabrication of two new HDGS fan hubs and SUS304 hub fasteners.
- [Green Power 2: Dissan DK82-200 Gearbox Overhaul and Reinstallation](https://synergyservices.co.th/project/green-power2-dissan-dk82-200-gearbox-overhaul/): Awarded scope — Dissan DK82-200 gearbox overhaul for Cooling Tower Cell A, including PT inspection, bearing/seal replacement and field reinstallation with alignment and vibration checks.
- [HMC Polymer PDH: Reduction Gear and Hub Disc Replacement](https://synergyservices.co.th/project/hmc-pdh-reduction-gear-hub-replacement/): Awarded scope — Cooling-tower drive-system intervention replacing the reduction gear and hub disc with fan reassembly, coupling alignment and test run.
- [IRPC Clean Power: Multi-Block Cooling Tower Mechanical and Internal Inspection](https://synergyservices.co.th/project/irpc-clean-power-multiblock-cooling-tower-inspection/): Awarded scope — Cooling-tower PM inspection across multiple plant blocks covering drive components, structure, fill, nozzles, drift eliminators, fan geometry and alignment.
- [IRPC TF1: Cooling Tower Gearbox Overhaul and Reinstallation](https://synergyservices.co.th/project/irpc-tf1-gearbox-overhaul-replacement/): Awarded scope — Cooling-tower gearbox removal, workshop overhaul and reinstallation with bearing/oil-seal replacement and vibration checks.
- [KSL Tha Maka: AFI Fan Upgrade for Two Cooling Tower Cells](https://synergyservices.co.th/project/ksl-tha-maka-afi-cooling-tower-fan-upgrade/): Awarded scope — AFI fan upgrade for two cooling-tower cells at KSL Tha Maka, with airflow testing specified after installation.
- [Linde Thailand: BAC Stainless-Steel Evaporative Condenser Replacement](https://synergyservices.co.th/project/linde-bac-evaporative-condenser-replacement/): Awarded scope — Whole-unit BAC evaporative-condenser replacement scope including removal, installation, electrical reconnection and piping modification.
- [Mitr Phol: Amarillo 1110 Cooling Tower Gearbox Overhaul](https://synergyservices.co.th/project/mitr-phol-amarillo-1110-gearbox-overhaul/): Awarded scope — Workshop overhaul and field reinstallation of an Amarillo Model 1110 cooling-tower gearbox for Refine No.6.
- [Mitr Phol: Cofimco FRP Fan Blade Reconstruction and Balancing](https://synergyservices.co.th/project/mitr-phol-cofimco-fan-blade-reconstruction/): Awarded scope — Reconstruction, protective coating and balancing of a six-blade Cofimco cooling-tower fan set.
- [PPP Green Complex: Two-Cell Motor, Gearbox and Drift Eliminator Overhaul](https://synergyservices.co.th/project/ppp-green-two-cell-motor-gearbox-overhaul/): Awarded scope — A two-cell cooling-tower shutdown scope covering Siemens motor overhaul, Amarillo 1008 gearbox overhaul, fan/shaft/coupling inspection and drift-eliminator replacement.
- [Prasat, Surin: Amarillo Composite Drive Shaft Coating and Alignment](https://synergyservices.co.th/project/prasat-surin-amarillo-drive-shaft-coating/): Awarded scope — Removal, coating, reinstallation and alignment of an Amarillo CF60 425L cooling-tower drive shaft, followed by a test run.
- [Rajburi Sugar: Rexnord Addax Drive Shaft Replacement and Gearbox Inspection](https://synergyservices.co.th/project/rajburi-sugar-rexnord-addax-driveshaft-gearbox-inspection/): Awarded scope — Planned supply and installation of a composite Rexnord Addax drive shaft combined with gearbox inspection, alignment and vibration verification.
- [Rajburi Sugar: Terra Drift Eliminator Replacement and Two-Cell Cleaning](https://synergyservices.co.th/project/rajburi-sugar-terra-de-replacement-cleaning/): Awarded scope — Supply and planned installation of Terra TCI-DE-40/120 drift eliminators on one cell combined with cleaning of fill, structure, fan stack, fan blades and basin across two cells.
- [Ratchaburi-EEP: Cooling Fan Motor and Dissan Gearbox Overhaul](https://synergyservices.co.th/project/ratchaburi-eep-motor-gearbox-overhaul/): Awarded scope — Overhaul of two 45 kW motors and a Dissan DKS 2-220 spiral-bevel gearbox with PT inspection and post-installation condition checks.
- [Recovery House: Gearbox 1008 Overhaul, HVOF Shaft Repair and Fan Refurbishment](https://synergyservices.co.th/project/recovery-house-cooling-tower-gearbox-overhaul-fan-refurbishment/): Awarded scope — Documented 2026 work package for gearbox 1008 overhaul, HVOF shaft restoration, fan-blade coating and drive-train reinstallation.
- [Siam City Power: SDK6 Fan Replacement, Blade Coating and Gearbox Overhaul](https://synergyservices.co.th/project/siam-city-power-sdk6-cooling-tower-mechanical-overhaul/): Awarded scope — Multi-cell shutdown work combining fan-blade replacement, blade coating, gearbox overhaul, lubricant replacement and laser alignment.
- [Songkhla Biomass: Three-Cell Cooling Tower PM and Mechanical Replacement](https://synergyservices.co.th/project/songkhla-biomass-three-cell-cooling-tower-pm/): Awarded scope — Three-cell shutdown scope combining preventive maintenance with motor, gearbox, hub, fan-blade and drive-shaft replacement on one cell and oil-seal replacement on two cells.
- [Thai Oil: 2026 Fin-Fan Maintenance Program](https://synergyservices.co.th/project/thai-oil-fin-fan-maintenance-program-2026/): Awarded scope — Archive-level awarded program consolidating recurring 2026 Thai Oil Fin-Fan job folders from January through July plus the later FinFan MT 2026 work package.
- [Thai Oil: Q4702, Q4704 and Q4708 Fill & Drift Eliminator Replacement Program](https://synergyservices.co.th/project/thai-oil-q4702-q4704-q4708-fill-de-replacement/): Awarded scope — Archive-backed awarded program covering three separate 2026 job folders for fill and drift-eliminator replacement on Q4702, Q4704 and Q4708.
- [TPIPL: AFI SmartFan Upgrade for Three Cooling Tower Cells](https://synergyservices.co.th/project/tpipl-afi-smartfan-cooling-tower-upgrade/): Awarded scope — AFI SmartFan upgrade for three cooling-tower cells with a design-basis 10% energy-saving guarantee; measured results pending installation.
- [UBE Chemicals: Three-Cell Hydro-Fan Overhaul and Gear Replacement](https://synergyservices.co.th/project/ube-chemicals-three-cell-hydrofan-pm-overhaul/): Awarded scope — Three-cell mechanical-maintenance program with Hydro-Fan overhauls on two cells and gear replacement on a third cell.
- [Ubon Bio Ethanol: Cooling Fan Gear and Four-Motor Overhaul](https://synergyservices.co.th/project/ubon-bioethanol-cooling-fan-motor-gear-overhaul/): Awarded scope — Overhaul of one cooling-fan gear unit on Cell D together with four cooling-fan motors across Cells A–D.
- [All reference projects](https://synergyservices.co.th/project/): Selected cooling tower projects across Thailand and the region.

## Company

- [Company profile](https://synergyservices.co.th/company-profile/): Crawlable overview of Synergy Services' milestones, three offices, workshop and overhaul-team capability, four service lines, global partners, three product groups, client sectors, contract scale, selected project references, and 2025 green initiatives; the same page can be presented fullscreen. A [full profile PDF](https://synergyservices.co.th/synergy-services-company-profile-2026.pdf) and [one-page corporate/service brochure](https://synergyservices.co.th/brochures/synergy-services.pdf) are generated from the page.
- [About Synergy Services](https://synergyservices.co.th/about/): Company background since 2006, CTI membership, ISO 9001:2015 certification, and a dated history covering Terra Cooling Industries representation (2006), the Rayong workshop opening (2009), D'Hondt Thermal Solutions and CTI membership (2010), the Rayong expansion and overhaul gear station with Brentwood Industries representation (2018), first Hongsa Power contract in Laos (2019), confined-space inspection services (2022), Baltimore Aircoil and Axial Fans Int srl representations (2023), and the Khon Kaen overhaul gear station (2026).
- [Offices and workshops](https://synergyservices.co.th/about/location/): Head office at 22/44 H-Cape Biz Sector, Sukhaphiban 2 Rd., Prawet, Bangkok 10250; Rayong workshop at 888/10, Moo 2, Phana Nikhom, Nikhom Phatthana, Rayong 21180; Khon Kaen workshop at 371, Bueng Niam, Mueang Khon Kaen, Khon Kaen 40000.
- [Our clients](https://synergyservices.co.th/about/clients/): Text list of the approved-vendor client base (100+ companies), grouped by industry — power generation, petrochemical, oil & gas, sugar and ethanol, cement, pulp and paper, steel, manufacturing.
- [Our team](https://synergyservices.co.th/team/): Management, sales and technical engineering staff with direct contact details.
- [Manufacturer partners](https://synergyservices.co.th/partner/): Terra Cooling Industries, Brentwood Industries, Baltimore Aircoil Company, Amarillo Gear Company, Axial Fans Int srl (AFI), D'Hondt Thermal Solutions, Rexnord Addax, and CTP Environment.
- [Contact us](https://synergyservices.co.th/contact/): Head office address, phone, email and LINE; Rayong and Khon Kaen workshop addresses.
- [Privacy policy](https://synergyservices.co.th/privacy/): What data this site does and does not collect — no contact forms or analytics scripts found in the codebase, local theme storage only, Azure Static Web Apps hosting-level access logs, and the click-to-load Google Maps embed.
- [Terms of service](https://synergyservices.co.th/terms/): Informational site content, no warranty on technical figures, intellectual property, external-link disclaimer, governed by Thai law.

## Thai language (ภาษาไทย)

- [หน้าแรก — Synergy Services](https://synergyservices.co.th/th/): บริการหอผึ่งเย็น (Cooling Tower) ครบวงจรในประเทศไทย.
- [บริการทั้งหมด](https://synergyservices.co.th/th/service/): ดัชนีบริการหอผึ่งเย็นทั้งสี่ประเภท.
- [สินค้า](https://synergyservices.co.th/th/products/): สินค้าหอผึ่งเย็นสามกลุ่ม ได้แก่ ชิ้นส่วนเชิงกล ชิ้นส่วนคงที่ และโครงสร้างพร้อมอุปกรณ์เสริม.
- [เกี่ยวกับเรา](https://synergyservices.co.th/th/about/): ประวัติบริษัท สมาชิก CTI และการรับรอง ISO 9001.
- [ข้อมูลบริษัท](https://synergyservices.co.th/th/company-profile/): ข้อมูลบริษัทฉบับภาษาไทย ครอบคลุมประวัติ สำนักงาน บริการ พันธมิตร กลุ่มลูกค้า ขนาดสัญญา โครงการอ้างอิง และโครงการสีเขียว. มี[ไฟล์ข้อมูลบริษัทฉบับเต็ม](https://synergyservices.co.th/synergy-services-company-profile-2026-th.pdf)และ[โบรชัวร์บริษัทหนึ่งหน้า](https://synergyservices.co.th/brochures/synergy-services-th.pdf)ให้ดาวน์โหลด.
- [บทความ](https://synergyservices.co.th/th/blog/): บทความเทคนิคเกี่ยวกับหอผึ่งเย็น.
- [ลูกค้าของเรา](https://synergyservices.co.th/th/about/clients/): รายชื่อลูกค้าที่อยู่ในรายชื่อผู้ขายที่ได้รับอนุมัติ (มากกว่า 100 บริษัท) จัดกลุ่มตามอุตสาหกรรม.
- [นโยบายความเป็นส่วนตัว](https://synergyservices.co.th/th/privacy/): ข้อมูลที่เว็บไซต์นี้เก็บและไม่เก็บ.
- [ข้อกำหนดการใช้งาน](https://synergyservices.co.th/th/terms/): ข้อกำหนดการใช้งานเว็บไซต์.

## Optional

- [XML sitemap](https://synergyservices.co.th/sitemap.xml): Full URL index for English and Thai.