shanghai shengjiang M&E is a specialized coupling and valve supplier in China.You can find wide range of products here, including various kinds fittings, coupling, valve, flange, rubber gasket, ripple pipe, fire protection relative parts different ...

Dalian Zhuhong Mechanical Co., Ltd. is a manufacturer of repair clamps and pipeline connections with well-equipped testing equipment strong technical force. Our company has specialized backbones engaged in the connection patching product design many ...