Enterprise Briefing Shangdong Wantong Hydraulic Co. Ltd. with its registered capital of 60 million yuan, set up in 2004, is a specialized equipment manufacturing enterprise which takes up with the design, Rï¹ D, and manufacture of hydraulic machinery products. The main products are hydraulic cylinders used for coal mine machinery, tippers, engineering machinery and ocean machinery, including over 120 kinds. Now it has been the largest manufacturing base of hydraulic cylinders in Shangdong Province, with its annual production capacity of 200000 sets. Our factory have 700 sets of manufacturing equipment, such as cold drawing production line, heat treatment production line, surface treatment production line, testing equipment various digital-control machining equipment. Its products have been widely sold in more than ten provinces, municipalities, and autonomous regions. There are 52 points of the sales service network all over the country, providing 24-hour considerate, healthy and professional service for its customers. Our certificate: ISO/TS16949 , CCRI, CCS, DNV , AND ABS.AQA, SAFETY CERTIFICATE OF APPROVAL FOR MINING PRODUCTS AAA level for standardization Education and research of Shandong University of Science and Technology Certificate of Marine products; Productive Capacity