Changzhou Lengthen Life Sience & Technology Co., Ltd. was established in 1999, with total investment of approximately 200 million US dollar for its new factory.

It possessed the only one Germany production line in china for Hemodialyzer and Hemofilter. Annually Lengthen now can produce 4 million Middle-flux and High-flux Hemodialyer and Hemofilter for domestic and oversea market.
As a leader manufacturer and dealer, lengthen Company has a young and well-educated group, in which technical personnel of all specialties account for 84% of total employees, and employees holding professional titles account for 17%, in addition there are also several Germany experts and professors in high molecular material and clinic.

Benefiting from the improving the quality control system, the Company has been operated as per ISO9001 since 2001, and it has passed the ISO9001, ISO13485 for Medical Devices (CMDC) on November 2002, and passed the Product Compulsory Certification (I. E. CCC certification) of China Quality Certification Center (CQC) on January 2003, these all combined indicated that the quality control level and products security of Lengthen have made a promise to the patient and society.