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Water Purifier | RO Drinking Water System & Water Purifier Manufacturer - TIA, Green-Tak

Located in Taiwan, TIA Enterprise Co., Ltd., since 2012, is a professional Water Purifier | RO system and water purifier manufacturer. Main products, including reverse osmosis (RO) system, hydrogen water system, water purifier, water filters, water dispensers, water coolers, water boiler, stainless steel faucets, etc.

Green-Tak RO water purifier manufacturer in Taiwan - TIA Enterprise Co., Ltd. All raw materials and filter medias are verified by international certification, such as NSF, SGS, TUV, INTERTEK, CE, WATER QUALITY, etc. All water systems and water purifiers are 100% in-house quality tested before shipment, as well as TUV and D-U-N-S certified.

TIA, Green-Tak has been offering customers high-quality water purifiers and RO systems since 2012, both with advanced technology and 10 years of experience, TIA, Green-Tak ensures each customer's demands are met.

Water Purifier

Potable Water Purification System

Nano Water Purifier.
Nano Water Purifier.

Green-Tak Nano water purifier, compact potable water system, designs with unique patent of Nano X-Plus purification technology. By using vacuum sputtering coating multi-layer Nano-ACT films technology, the multi-layer Nano films can remove not only bacteria but also heavy metals: such as lead, mercury, etc. and remain keep minerals in the water. Green-Tak Nano water system is environmentally friendly: no waste of drain water, no power required; and user-friendly: easy installation and filter replacement.

TIA Enterprise Co., Ltd. has more than 10 years experiences engaged in water treatment field; our water purifiers are 100% made in Taiwan with advanced Nano water purification technology. We have our own strong R&D team, product designer, knowledge technician, production line, warehouse and quality control department. We have abilities and facilities to create any kind of water filters, water purifier, water purification system, which have been widely used for residential usage for home use, commercial usage for restaurant, office, and coffee shop, bars and more.

To offer better services, we also accept small MOQ for diverse requirements to have different water filters combination and also different function or size required customized design, we could build unique water purifier for you.

Our goal is to become your partner to offer you a total solution of drinking water system.


  • Remove 99% of heavy metals such as lead, mercury and copper in the water, and prevent toxic heavy metals are harmful to our body and brain health.
  • Remove chlorine, dirt, rust, bacteria, organic and other impurities in drinking water and retain minerals in the water.
  • Cost-efficiency, comparing to buying bottled water.
  • Environmentally-friendly, no power required no waste of drain water.
  • Save your time whenever you need to get a glass of drinking water.


NANO-1XT, NANO-2XT, NANO-3XT, NANO-1A, NANO-3A the best model of Quick Change Nano Water Purifier for
Condo | Apartment | Camping | Office | Coffee Shop

NANO-17A, NANO-27A, NANO-37A the best model of
Quick Change 17" Nano Water Purifier for
Commercial usage | Coffee Shop | Tea Shop | Cooking Kitchen

GTHC-4, GTHE-4 best choice of Hydrogen-rich Water Purifier for
House | Healthcare Center | SPA & Salon Center | Gym | Fitness Center

  • Quick Change Water Purifier - Compact Water Purifier.
    Quick Change Water Purifier
    Nano Water Purification

    Green-Tak has compact design and great performance water purifier to serve you and your family with clean, safe, mineralized water. Green-Tak quick change water purifier has user-friendly design for easy DIY installation and also quick-change filter replacement. With its own patented nano purification technology, it will remove the heavy metals such as lead, mercury; organic chemicals, such as pesticides; chlorine and bad odor and smell but remain save the minerals, trace element in the drinking water.

  • Hydrogen-rich Water Purifier - Hydrogen-rich Water Purifier.
    Hydrogen-rich Water Purifier
    H2 Hydrogen Water System

    Green-Tak hydrogen-rich H2 water purifier will generate healthy negative hydrogen-rich ions and minerals in drinking water. The hydrogen-rich water generator will separate hydrogen and oxygen molecule and make it micro-clustered and easier for body to absorb and maximize the H2 hydrogen concentration to active body circulation; benefit body balance; eliminate free radicals in our body. The H2 water purifier is flexible in different casing design, multi-functional filter combination to add on the system.