上海宝钢依托高科技填补国内空白我国需要依赖进口的镀锡钢板，生产易拉罐的历史已宣告结束，由上海宝钢研制生产的国内首卷镀锡钢板，在国内第一家钢制两片式易拉罐生产企业—上海宝翼制罐有限公司冲压易拉罐喜获成功。上海宝翼制罐有限公司引进了我国第一条钢制二片式易... Shanghai Baosteel Relies on High Technology to Fill Domestic Blanks China needs to rely on imported tinplate steel. The history of producing cans has been ended. The domestic first roll of tinplate developed and produced by Shanghai Baosteel is the first steel two-piece can in China. The company—Shanghai Baoyi Can Co., Ltd. stamping cans successfully. Shanghai Baoyi Can Making Co., Ltd. introduced China’s first steel two-piece type