Hainan Litree Purifying Technology Co., Ltd.

Environmental services, water and waste treatment · Haikou, Hainan

About Hainan Litree Purifying Technology Co., Ltd.

Hainan Litree Purifying Technology Co., Ltd., known by its Litree brand, is a Chinese high-technology water purification company founded in 1992 and based in Haikou, Hainan Province. Its official English-language website presents it as a group enterprise integrating membrane technology research and development, production and sales services, specialised since its beginnings in ultrafiltration, with 146 patents at home and abroad, more than one thousand engineering service experiences and more than three million household users.

Its core product is the PVC alloy capillary ultrafiltration membrane, independently developed and with a filtration precision of up to 0.01 microns, together with PVDF ultrafiltration membranes and composite membranes for membrane bioreactors (MBR). Around them it builds pressure-vessel and immersed membrane modules, standardised ultrafiltration equipment, large modules for water plants, central household purifiers and commercial purification and direct-drinking water equipment.

Litree applies its technology to municipal water supply, wastewater treatment and reuse, terminal drinking-water purification and solutions for industry, commerce and the home, and states that it has built in Haikou one of the world's largest ultrafiltration membrane production bases. Its equipment provided the exclusive public direct-drinking water service for the Shanghai World Expo site, and the company sets itself the goal of becoming a global leading solver of water problems.

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