The company provides k3v-k5v series, HPV series and other hydraulic pump assemblies. The products are applicable to Sany, Xiagong, Shanhe intelligent, Liugong, XCMG, Doosan, Hyundai, Shengang and Sumitomo excavators. In addition, it can be used as hydraulic motor and hydraulic pump for Sany, XCMG, Shanhe intelligent and other rotary drilling rigs.