Gear, precision casting with high precision machining sevice, gear cutting machine, gear grindering machine tool.Welcome enquiry gear . gear cutting/Weifang Rainbow Machinery Co.,Ltd. is located in Weifang, Shandong province, 150Km from Qingdao Port, and near the Ji-Qing Express way. We have aaround 89 machining centers, machined tools, lathes. High precision machining services with casting ...