Shanghai Jinshan District No.13 Petroleum Equipment No.18 Gate Valves No.24 Ball Valves No.24 Oil and Gas No.30 Shi You Tian Ran Gases No.44 Dian Nao Luo No.48 Machinery Hardware Processing No.57 CNC Processing No.88 Water Treatment Valves No.90 Valves No.95 Complete Equipment Processing Processing Equipment 科技型中小企业 市科技型中小企业 高新技术企业 省级高新技术企业 省级创新型中小企业 ISO14001认证