Fuzhou Sinda Machinery MFG.CO.LTD is a manufacturer that can produce hardware valves, hardware fittings as well as rubber goods since 2005. We are professionally producing Camlock Quick Coupling series and Guillemin Quick Coupling series. Our goods are mainly made by stainless steel, aluminum, brass, PP, and nylon. The sizes of our goods: 1/2" to 6"; models: A, B, C, D, E, F, DC, and DP. And OEM accept. Our products have European Germany, American type hose clamps, whip check safety cables, KC nipples, hose menders, Double bolt hose clamp, and air hose couplings. Furthermore, we have higher quality and more competitive price, which are accepted by buyers. Our products such as connectors, valves, hardware fittings, and plastic products are exported to the USA, the Middle East, the Southeast Asia, and South America. Please feel free to contact us for more information about the quick coupling.