EHS International Trading Company Limited

EHS International Trading Company Limited Tetradom water treatment: No chemicals, no power, no maintenance. Ideal for HVAC, boilers & cooling systems.

10/09/2026

Built for extremes. Tetradom ensures reliable water treatment from -40°C to 120°C — no power required.

08/09/2026

Invest once, save for years. Tetradom delivers measurable ROI and operational savings from day one.


04/09/2026

No electricity. No maintenance. No hassle. Just long-lasting protection with Tetradom — the simplest way to treat your water system.

21/08/2026

This case study introduces Tetradom Wellan units solving Fresenius Kabi Beijing’s water‑system troubles. Its poor‑quality well water caused sludge, algae, frequent pre‑filter blockages and scaling. Fitted at key pipeline spots, the chemical‑free physical treatment lengthened filter‑cleaning cycles, removed biofilm and algae, controlled scale, cut maintenance and stabilized ongoing pharmaceutical production.

13/08/2026

This waste-to-energy plant in South China treats 2,000 tons of waste daily, troubled by cooling water scaling and heavy chemical use. It installed 298 Tetradom units without shutdowns, cutting chemical inhibitors entirely within a month. Flow resistance fell, heat exchange rose, adding 590,000 kWh yearly and gaining over $290,000 annually with greener, stable operation.

11/08/2026

For over a decade, Con Edison has used NAWT Collar water treatment tech, showcased live at its expo. It needs no power, magnets or chemicals, cuts chemical use by 15–20%, and boasts easy setup. A 13-year early installer confirmed its lasting efficiency. Many engineers requested facility follow-up tours, drawn by its eco-friendly, low-maintenance merits.

07/08/2026

For 13 years, Con Edison has adopted chemical-free NAWT Collar tech on its cooling tower four-chiller systems; original collars after 10 years were recently replaced with new 12/16-inch models. The tool needs no power or magnets, installs in 15 minutes without system shutdowns. It dissolves old pipeline deposits, slashing strainer cleaning frequency, curbing scale, rust and algae to cut costs and boost heat efficiency. At the Con-Ed Expo, industry experts highly recognized its decade-long stable performance, valuing its low-maintenance, eco-friendly sustainable water treatment advantages.

05/08/2026

Xi’an Coca-Cola’s blow molding chilled water system suffered severe steel pipe rusting, clogging filters and halting production often. A Tetradom Wellan Ring physical water processor was fitted in July 2010. Within three months, water cleared up, rust deposits dropped sharply and filter blockage was solved. This chemical-free eco-tech stabilizes cooling systems at lower costs than traditional electromagnetic or ion exchange treatments.

A great start to SIWW 2026! Thank you to everyone who visited our booth today. We enjoyed meeting industry professionals...
17/06/2026

A great start to SIWW 2026! Thank you to everyone who visited our booth today. We enjoyed meeting industry professionals and discussing sustainable water treatment solutions. If you are attending the exhibition, visit us at Booth B2-E29. We look forward to meeting you.

[email protected]

We are ready for SIWW 2026!Today, our team completed the booth setup at Marina Bay Sands, Singapore. With more than 400 ...
17/06/2026

We are ready for SIWW 2026!

Today, our team completed the booth setup at Marina Bay Sands, Singapore. With more than 400 exhibitors from around the world, SIWW is one of the most important events in the water industry, and we are excited to showcase Tetradom German water treatment technology.

Visit us at Booth B2-E29 to explore our product samples, case studies, and innovative solutions for cooling towers, chillers, and boiler water systems.

We look forward to meeting industry professionals, partners, and friends from around the world.

📍 Marina Bay Sands, Singapore
📅 16–18 June 2026
🏢 Booth B2-E29

[email protected]

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Kowloon Bay

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+85264710216

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