Ningbo Yinzhou Huakang Engineer Hydraulic Fittings Factory was found in 1995 and is called HKH for short .It is a professional manufacturer in producting various types of spare parts for piston pump, axial pump, through pump, hydraulic motor etc., including REXROTH, SAUER, CATERPILLAR, LINDE ,KOMATSU, HITACHI, LIEBHERR, TOSHIBA, etc.