钢拓 app for iPhone and iPad 4.8 ( 8048 ratings ) Catalogs Shopping Developer: hongyu Ma Free Current version: 1.0, last update: 8 years ago First release : 14 Jul 2016 App size: 33.82 Mb 型材、线材、方矩管、板材、H型钢，移动在线选材，在线生成订单，方便快捷。