Litree

Litree (立升) is a Chinese group high-tech enterprise established in 1992, integrating membrane technology R&D, production, and sales services. The company focuses on ultrafiltration membrane technology as the core of its water purification processes. It holds 146 domestic and international patents and its technical services cover more than 60 countries and regions worldwide. Litree has served over 3 million household users and has over 1,000 engineering service experiences. Its product portfolio includes household, commercial, and industrial water purification products, such as central ultrafiltration water purifiers, wall-mounted pipeline machines, central water softeners, commercial kitchen water purifiers, commercial water boilers, and internal-pressure PVC alloy ultrafiltration membrane modules. The company operates four major bases (Suzhou, Wuhan, marketing headquarters, and Haikou) and has 26 subsidiaries and over 500 dealers/service providers.

Litree was established in 1992 as a group high-tech enterprise integrating membrane technology R&D, production, and sales services. For 30 years, it has focused on membrane technology R&D and adhered to independent technological innovation. The company has undertaken major national science and technology projects, including the 2000 National Science and Technology Tackling Project, the "Tenth Five-Year", "Eleventh Five-Year", and "Twelfth Five-Year" National Science and Technology Tackling Plan guiding projects, and 863 Program topics. It currently holds 146 core domestic and international patents (including 5 foreign patents) and has achieved major scientific research results such as the "R&D and Application of PVC Alloy Capillary Ultrafiltration Membrane". Litree operates four major bases: Suzhou Base, Wuhan Base, Marketing Headquarters, and Haikou Base, and has built a nationwide marketing service network with 26 subsidiaries and over 500 dealers/service providers. The company has served over 3 million household users and has over 1,000 engineering service experiences. Its technical services cover more than 60 countries and regions worldwide.

• 2024

  Founder Chen Liangang was awarded the First Prize of the National Science and Technology Progress Award.

• 2022

  Litree had cooperated with CoCo都可 for 15 years, serving nearly 5,000 stores; also marked 9 years of deep cooperation with 沪上阿姨鲜果茶, providing water purification equipment to over 4,000 stores.

• 2022

  Litree's hollow fiber ultrafiltration membrane products and membrane bioreactor units received the 2022 Enterprise Standard 'Leader' certificate.

• 2007

  Litree began supplying water purification equipment to CoCo都可 milk tea stores, starting with its first branch.

• 2000

  Litree undertook a National Science and Technology Tackling Key Project.

• 1992

  Litree was founded as a group high-tech enterprise integrating membrane technology R&D, production, and sales services.

A global leading water problem solver, focusing on ultrafiltration membrane technology for 30 years.

• Gemini Central Ultrafiltration Water Purifier 82C

• Wall-mounted Pipeline Machine D6

• Central Water Softener S1

• Commercial Kitchen Water Purifier K400

• Commercial Water Boiler B600

• Internal-pressure PVC Alloy Ultrafiltration Membrane Module LH3-0650-V

• Internal-pressure PVC Alloy Ultrafiltration Membrane Module LH3-1060-V

• Internal-pressure PVC Alloy Ultrafiltration Membrane Module LH4-1080-V

• 2013

  Water purifier heavy-metal leaching exceeds standard; cadmium 16.8 times over limit

  In a 2013 Chongqing health supervision inspection, the Linsheng LU5A-CU-IC water purifier failed on total colony count; in a 2016 Shanghai Consumers Council comparative test, the Linsheng LH3-8Ad water purifier exceeded standards for lead, cadmium and mercury leaching, with cadmium 16.8 times over the limit. Regulatory/Consumers Council notification.

  Source

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1. 1立升官网「Litree」- 超滤-净水设备-直饮水-家用净水器设备研发生产litree.com
2. 2关于立升litree.com
3. 3发展历程-立升官网「Litree」litree.com
4. 4为你都可，立升净水与CoCo都可奶茶15年初心不变！litree.com
5. 5Water purifier heavy-metal leaching exceeds standard; cadmium 16.8 times over limitfinance.china.com.cn
6. 6Water purifier heavy-metal leaching exceeds standard; cadmium 16.8 times over limitm.cqn.com.cn