Brass sand casting for Battery Pack Tolerance 0.01mm Tube Passivation surface Black
Sinoway Industry Co. is a company specializing in various types of metal stamping parts and sheet metal processing. We are located in Qingdao, Shandong, close to the port. We have been focusing on the processing and manufacturing of metal parts for many years. The products we have produced include drop forging parts,mechanical machining parts,sand casting
