Ningbo Jiangbei April Imp & Exp Co.,Ltd: Ningbo Jiangbei April Imp & Exp Co.,Ltd was founded in 1992, specializing in hydraulic pipe joints, reducer union, Hydraulic control valve, thrott levalve, fast connections and other stardard and non-standard connectors. We are  making continuous and sustained process to improve the management, rapid response mechanisms, and create cost-effective quality products. At present, the products are widely used in engineering machinery, operating machinery, mining machinery and various equipment. ...