Established 2011

S.K.G.21 Co., Ltd.

Expert in designing, fabricating, installing and servicing water treatment systems, membrane systems, and industrial process plants.

2011 Year Established
Turnkey End-to-End Delivery
RO / UF / EDI Water & Membrane Systems
Food & Industry Food Grade & Industrial
S.K.G.21 workshop building

S.K.G.21 Co., Ltd. is a full-scope Turnkey Project provider for water systems and process development (Process Development), covering water production, wastewater treatment, and water recycle/reuse (Recycle/Reuse) systems.

Engineering & Installation: Fabrication of tanks and skid packages with complete piping and structural installation works.
Control & Automation: Full electrical and integrated automation systems (PLC / HMI / SCADA).
After-Sales Service: Professional after-sales support including RO/UF membrane cleaning and resin regeneration.

Over 14 years solving water system challenges for our clients, we understand every on-site constraint and are ready to deliver the highest standard of work for you.

OUR SERVICES

Scope of Supply

Full coverage from design and fabrication to installation and maintenance.

Water Treatment Turnkey

Design and installation of Clarifier, Sand/Carbon/Softener, MF/UF/NF/RO, Ion Exchange, EDI, Condensate Polisher, MBR and Reused Water Systems.

Fabrication & Installation

Fabrication of steel and stainless-steel Filter Tanks, Storage Tanks, Food/Syrup Mixing Tanks, Skids and Booster Pump Skids with complete piping and structural works.

Electrical & Control

Design and installation of MDB/MCC, Control Panels, PLC, HMI, SCADA and DCS for easy, reliable system control.

Membrane & Resin Service

RO/UF membrane replacement, external membrane cleaning, RO membrane chemical cleaning, and Ion Exchange resin regeneration services.

Process Plant

Supports refined/liquid sugar processes, syrup processes and water systems for food, beverage, sugar and general industrial plants.

Custom Requirement

Custom system design and installation to meet specific client requirements including production capacity, site layout, water quality and plant standards.

Growing through customer satisfaction

Installed Locations

PTT Global Chemical PCL logo
PTT Global Chemical PCLTH · Rayong
Coca-Cola Amatil Indonesia logo
Coca-Cola Amatil IndonesiaID · Indonesia
Thai Beverage PCL logo
Thai Beverage PCLTH · Pathum Thani
Sermsuk PLC logo
Sermsuk PCLTH · Thailand
Oishi Group PCL logo
Oishi Group PCLTH · Amata Nakorn
CP Meiji logo
CP Meiji Co., Ltd.TH · Phetchabun
General Motors logo
General Motors Co., Ltd.TH · Rayong
Toshiba logo
Toshiba Co., Ltd.TH · Pathum Thani
WHA Utility and Power logo
WHA Utility & PowerTH · Rayong
Dole Philippines logo
Dole Philippines, Inc.PH · Philippines
WGC logo
WGC Co., Ltd.TH · Nakhon Pathom
Thai Roong Ruang Group logo
Thai Roong Ruang GroupTH · Phetchabun
KI Sugar Group logo
KI Sugar GroupTH · Nakhon Ratchasima
Khon Kaen Sugar Industry logo
Khon Kaen Sugar IndustryTH · Khon Kaen
AGC logo
AGC Co., Ltd.TH · Samut Prakan

Projects & Experience

Continuous project experience in water systems and process plants since 2011, both in Thailand and overseas, covering food, beverage, sugar, energy, pharmaceutical and general industries.

Process plant — stainless steel tanks and piping system
Filter tank system and control panel UF system and water treatment project site
2011 – Present Continuous experience from small water systems to large-scale industrial plants.
Thailand & Overseas Projects in Thailand and overseas including Philippines and Indonesia.

Selected Projects

Water Systems

SIAM MITSUI PTA Co., Ltd.2011 · Map Ta Phut, RayongHCl regeneration system
S&J Industry Co., Ltd.2011 · Pinthong Industrial Estate, ChonburiReverse osmosis – Deionization system
General Motor Co., Ltd.2011 · Eastern Seaboard Estate, RayongDemineralization system
PTT Global Chemical PCL2011 · Map Ta Phut, RayongWater recycle system
APEC2012 · Ratchaburi / Samut SakhonReverse osmosis and Demineralization
Toshiba Co., Ltd.2012 · Bangkadi Industrial Estate, Pathum ThaniSoftener system
Ensys Co., Ltd. [Uthong Bio Power Plant]2012 · Suphan BuriWater treatment plant 70 m³/hr
Qualitech Co., Ltd.2013 · Samut PrakanWater plant 10 m³/hr
Thai Beverage PCL2014 · Bang Yikhan, Pathum ThaniSoftener system
Baanrai Power Co., Ltd.2014 · Uthai ThaniWater treatment plant 220 m³/hr
Oishi Group PCL2015 · Amata Nakorn EstateUltra filtration – Degasifier unit 50 m³/hr
Thai Beverage PCL [Thai Drink]2015 · Khon KaenDrinking water plant 30 m³/hr
INNOVEK ASIA CO., LTD.2019 · RayongSide stream 4×50 m³/hr
Thai Vegetable Oil PCL2015 · Nakhon PathomReverse osmosis system 2×15 m³/hr
CP Meiji Co., Ltd.2017 · PhetchabunReverse osmosis system 15 m³/hr
WHA Utility and Power Co., Ltd.2022 · RayongWater treatment plant 120 m³/hr
Ratchasima Green Starch Co., Ltd.2022 · Nakhon RatchasimaWater treatment plant 100 m³/hr and RO 35 m³/hr
MITR KASETR INDUSTRY CO., LTD.2022 · KanchanaburiWater treatment plant 100 m³/hr
UF Water Treatment Plant 6,000 CMD2025 · Prachin BuriWater treatment plant 250 m³/hr
UF Reuse Water2025 · Siam ParagonUF water plant 10 m³/hr
New Kwang Soon Lee Sugar Factory2023–2024 · Sa KaeoWater treatment plant 300 m³/hr

Process Work

Baanrai Sugar Industry Co., Ltd.2011 · Uthai ThaniLiquid sugar plant 200 Tons/day
Dole Philippines, Inc.2012 · PhilippinesDemineralization for pineapple syrup and RO system
WGC Co., Ltd.2012 · Nakhon PathomDemineralization for glucose-fructose
Siam Agro Industry Co., Ltd.2012 · Prachuap Khiri KhanDemineralization for pineapple syrup
Chaokhun Agro Products Co., Ltd.2013 · SaraburiDemineralization for glucose-fructose syrup
Thai Roongrueng Co., Ltd.2013 · PhetchabunLiquid sugar plant 250 Tons/day
Cystalla Group [Thip Sugar]2015 · Kamphaeng PhetBrine recovery and water recycle
Khon Kaen Sugar Industry PCL2017 · Khon KaenLiquid sugar plant 200 Tons/day
Coca Cola Amatil Indonesia & Sugar Labinta2019 · IndonesiaLiquid sugar plant 400 Tons/day
Korat Industry Co., Ltd.2020 · Phimai, KoratLiquid sugar plant 200 Tons/day
WGC Co., Ltd.2025 · Nakhon PathomIMO 10 ton/day
Dole Thailand Ltd.2026 · Hua HinNitrate removal

Clear, Structured Workflow

Clients see the full picture from the start — knowing the scope and tracking progress throughout the project.

Step 01

Site Survey & Requirements

Gathering raw water data, target water quality, installation area, and site constraints.

Step 02

System Design

Listening to clients, co-designing the system, selecting the right technology and capacity, with clearly defined layout and scope.

Step 03

Fabrication & Installation

Fabricating equipment, tanks, piping and control panels, then installing the system as per the agreed plan.

Step 04

Testing & After-Sales

System commissioning, project handover, and ongoing after-sales service to ensure continuous operation.

Contact Us

Reach out to the S.K.G.21 team to consult on water system design, installation, or after-sales service.

Head office: 77/401 Moo 6, Bueng KhamPhroi, Lamlukka, Pathumthani 12150 | Workshop: 39 Moo 3, Lamlukka, Lamlukka, Pathumthani 12150 Open in Google Maps
CompanyS.K.G.21 Co., Ltd.
Head office77/401 Moo 6, Bueng KhamPhroi, Lamlukka, Pathumthani 12150
Workshop39 Moo 3, Lamlukka, Lamlukka, Pathumthani 12150
Business HoursMon – Sat : 08:00 – 17:30