Shanghai Guankaisi Valve Co., Ltd

Mainly engaged in environmentally friendly cleaning agents, environmentally friendly rust inhibitors, rust proof and salt spray resistant agents, silver protectants, copper protectants, nickel protectants, dehydrators, hydrocarbon dehydrators, water

We actively work to meet increasing customer requirements and shape market changes . In cooperation with our business partners, we strive towards mutual benefit as the basis of long-term relations. Continuous growth plays an important role in develop

Glas-Col is the world's leading manufacturer of laboratory products and industrial heating and mixing technology. The combination of modern facilities, and highly trained personnel, keep Glas-Col on the leading edge of technology for pharmaceutical,