Hangzhou Lanran Technology Co., Ltd. is located in Hangzhou, which is known as the heavenly reputation. It is a national high-tech enterprise with the production of ion exchange membranes and the application of electrodialysis technology as the core. We have always focused on providing customers with comprehensive salt resource utilization solutions with bipolar membrane/electrodialysis technology as the core.

The company currently has 35 invention patents, 58 utility model patents, one national key R&D program project in 2020, one national science and technology support program project, leading the preparation of one national standard, participating in the preparation of one national standard, and participating in the preparation of one industry standard , leading the compilation of 2 group standards, and won 9 provincial and ministerial or association awards. He has been successively identified as "Zhejiang Province's science and technology enterprise", "Zhejiang Province's innovative enterprise", "national specialized, special and new little giant", and "national enterprise standard leader".

The company is currently the manufacturer of ion exchange membranes with a large market share in China. The subsidiary Quzhou Lanran New Materials Co., Ltd. covers an area of ​​more than 50 mu and has established an ion exchange membrane production line of 550,000 square meters per year. The subsidiary Hangzhou El Environmental Protection Technology Co., Ltd. provides supporting production of corresponding alloy films, homogeneous films and bipolar film electrodialysis equipment and a complete set of accessories. The company independently develops and produces electrodialysis supporting power supplies, including GBT and MOS power supplies. The company's technical services also include the development of various ion exchange membranes for special purposes, the development of special electrolysis or chemical reaction separation equipment, electrodialysis test technical services, technical cooperation development services, technical entrusted development services, equipment maintenance services, and feasible process routes. Sexual technical services, etc. The company specially set up an after-sales department and created an after-sales service process system that quickly responds to customer needs. It can actively respond to customers' after-sales service needs, promptly solve problems encountered by customers during production, and establish a long-term and stable business cooperation relationship with customers. .

The company's current business covers clean production and material separation in new energy lithium batteries, pharmaceutical intermediates and fine chemicals, biofermentation, food and medicine industries; petroleum refining, papermaking, printing and dyeing, pesticide chemicals, viscose fibers, silicones, circuit boards and Comprehensive resource utilization of wastewater in semiconductors, coal chemicals, wet law gold and rare earths, electricity and new energy, electrode foils, industrial parks, building materials and other industries. The products have been used in more than 20 provinces, cities and autonomous regions across the country, and their products are exported to Russia, the United States, Southeast Asia, Europe, etc.