http://www.kindratechina.com/c....ouplings-and-fitting Coupling made in China The coupling used for PE (plain end) pipe is a proprietary product of our company. This product is a kind of semi卢permanent connection. High pressure hose鈥俢oupler is convenient for dismantling and reinstallation of pipe systems. High pressure hose is a kind of tubular rubber products used to transport gas, liquid, slurry or granular materials. It is composed of inner and outer glue layer and framework layer. The framework layer can be made of cotton fiber, various synthetic fibers, carbon fiber, asbestos, steel wire, etc. Generally, natural rubber,
