how to join Q235R language: ganxin steel mold group co., ltd. has four steel formwork processing factories, including chengdu steel mold, chongqing steel mold, guiyang steel mold, kunming steel mold, and four steel formwork processing factories, providing high-quality steel formwork services for national construction projects. sales hotline 13980447678, manager yang. 1 shaanxi road tongda machinery manufacturing co., ltd. is an enterprise dedicated to the production, processing and customization of steel formwork, bridge formwork, lining trolley and other products in xi'an. we are based on the service concept of quality first. welcome to consult: 029-89101877 30 strip