Shanghai Pudong New Area No.2 Jin Kou Balls Valve No.2 Jie Li Devices No.2 Smart Detection No.2 Separators No.3 Liu Liang Ji Suan Instruments No.3 Butterfly Valves No.3 Ball Valves No.3 Hydraulics Balls Valve No.4 Heat Exchangers No.4 Flow Meters No.4 Gases Flow Meters No.5 Control Valves 高新技术企业 国家知识产权优势企业 国家级服务型制造示范企业 专利示范企业 市级专精特新中小企业 省级高新技术企业 CNAS认证