No.426 Baoshan District Popularity Ranking Shanghai No.9 Zhen Kong Equipment No.11 Flanges Gate Valve No.12 Gate Valves No.13 Zhen Kong Die Valve No.13 Wo Lun Die Valve No.13 Qi Dong Die Valve No.13 Fa Lan Die Valve No.13 Globe Valves No.13 Jin Kou Balls Valve No.14 Check Valves No.16 Ball Valves No.17 Butterfly Valves 市级文明单位 文明单位 名牌产品 市名牌产品 专精特新小巨人企业 高新技术企业 科技型中小企业 市级专精特新中小企业 市科技型中小企业 省级高新技术企业 省级创新型中小企业 市级高新技术企业