China is a large steel producing country. High-quality raw materials can be purchased within tens of kilometers from our factory and reduce the transportation cost of raw material, thus saving costs. In addition, the procurement of raw materials at close range can effectively control the quality of the raw materials, thereby ensuring the quality of the finished heavy duty cylinders.
Tube of the heavy duty hydraulic cylinder uses 45# steel, 42CrMo4 and ST52. Piston rod of the hydraulic cylinder uses stainless steel bar. It is well known that the quality of seal elements determines the performance of hydraulic cylinder. The seal components we utilize all come from internationally famous brands, such as NOK, Merkel, Hallite, Trelleborg and so on.