Zhengzhou Qiaorun Group Co., Ltd is a professional manufacturer of stellite parts with more than 15 years of producing experience to manufacture 400+ customized Cobalt base alloy products. Qiaorun has the advanced powder metallurgy, precision casting, centrifugal casting production lines and machining with different types and specifications of facilities,testing equipment. We have the production capacity and testing equipment to turn customer drawings into real products. Qiaorun ac