http: / / www.hzelk.com/ en cm1653@ hotmail.com  Product Category:  Single refrigerant  Product Name : R22( HCFC-22) Chlorodifluoromethane( HCFC-22) , a colorless gas at room temperature, ....
Hangzhou ELK Refrigerant High-Tech Co., LTD located in the picturesque Taihuyuan Town at the West suburb of Hangzhou, Away from Hangzhou about 40 KMS, from the Huangshan Anhui 200 KMS, from Shanghai....