TIANJIN XINYIYUAN FASTENER CO.,LTD owns the core technology and the ability of mass production for fasteners, such as many kinds of hose clamps, including German type hose clamp, American type hose clamp, British type hose clamp, P-clip, mini hose clamp, double wires clamp, heavy duty clamp, spring hose clamp, V-band clamp and so on.