SME COUPLING. is a specialized coupling and valve supplier in China. You can find a wide range of products here, including various kinds of fittings, coupling, valve, flange, rubber gasket, ripple pipe, fire protection valve and relative parts in different materials such as stainless steel, aluminum, brass, bronze & ferreous, etc. Our good quality can be approved and testified by international certificates, ISO 9001, API 6D, TUV and CE. We are enjoying a good reputation for the excellent quality, competitive prices & fine service in European for over 15 years. Besides, we can supply products as per customers' OEM.