Shandong Wantong Hydraulic Co., Ltd. with its registered capital of 60 million yuan, set up in 1995, is a specialized equipment manufacturing enterprise which takes up with the design, R & D, and manufacture of hydraulic products. The main products are hydraulic cylinders used for coalmine machinery, tippers, engineering machinery and ocean engineering, including over 120 kinds. Now it has been the largest manufacturing base of hydraulic cylinders in Shandong Province.