Located in Yuyao, a famous cultural and historical city affiliated to Ningbo City, Ningbo Yiyin Trading Co., Ltd. is a comprehensive company specializing in pipeline and integrating industrial manufacturing and trade. Our products, including water pipe interfaces, KC, double-joint pipes, Bauer couplings, pipe fittings, flanges, clamps and valves, etc., have been widely used in connecting industrial hoses and pipes from low pressure to high pressure.