Ningbo Yinzhou Huakang Engineering Hydraulic Fittings Factory was founded in 1995 and is called HKH for short; it is a manufacturing and trading enterprise combining together with research, development, sales, and maintenance.
HKH is a professional manufacturer in producing various types of spare parts for piston pump, axial pump, through pump, hydraulic motor etc., including rexroth, sauer, caterpillar, linde, komatsu, hitachi, liebherr, kawasaki, kato, uchida, toshiba,yucai, sumitorno,kobelco, hyundai, daewoo, etc. HKH products are widely used in the fields of Engineering machinery, Construction machinery, Mining machinery, Agricultural machinery, Plastic machinery, Chemical machinery, Die casting machinery, Metallurgy machinery, Medical machinery, etc. HKH products are of long life and stable capability, can be completely interchanged with the original ones.

PHP Hydraulics is maufacturing Komatsu PC200-3, PC200-5, PC300-3, PC300-5, PC120-3, PC120-5 excavator main pump spare parts for repairing or remanufacturing.

As below is a list of hydraulic pump parts about Komatsu HPV35, HPV55, HPV90, HPV160 main pump:

Cylinder Block, Piston Shoe, Retainer Plate, Valve Plate, Shoe Plate, Drive Shaft, Socket Bolt, Swash Plate etc.