Hangzhou Elk High-tech Refrigerants Co.,Ltd.

We scrupulously  abides by the commitment of providing users with good-quality products and lifelong services,which are trusted and supported by all the users.Till now, the leading products  are environment-protective refrigerants such as R600A, R134A,R22,R1270,R290,R401A,R402B,R404A, R406A, R407C, R408A, R409A , R415B , R417A,R507 etc and Welding & Brazing Gas(Propylene,Propane). It enjoys rather high reputations in the industry. [详细介绍]