70% Sodium Hydrosulfide (Nahs Flake) For Copper Mining Cas No: 16721-80-5

Qinyang Wise Chemical Co. Ltd is a professional manufacturing enterprise of sodium hydrosulfide with rich experience for years. Taking advantage of the powerful technical force modern production equipment excellent technical testing methods as well as the strict production monitoring system quality and performance of our products have got general consent of the users both at home and abroad. After years of development our products sell well in more than 30 provinces and cities throughout China as well as overseas countries & regions like Africa America South Asia Australia Russia etc.. Qinyang Wise chemical Co. Ltd keeps updating the technology to improve the product grade constantly. At present our sodium hydrosulfide can meet not only customersA A A AcA A A A A A A A various needs of different products but also the needs of different procedures. Qinyang Wise chemical Co. Ltd is located in Jiaozuo City Henan Province a beautiful city where thereA A A AcA A A A A A A A s long history and rich cultural atmosphere convenient transportation and smooth logistics. We sincerely welcome all customers and experts to have a visit at company and discuss cooperation!