No.69Jiulongpo District Popularity Ranking ChongqingNo.1 Equipment Products Equipment PartsNo.2 Kong Zhi Xi Tong Ji ChengNo.4 Electromechanical Engineering DesignNo.6 Construction Electromechanical EngineeringNo.9 Auto Parts R&DNo.10 Rubber IndustrialNo.12 Electromechanical EngineeringNo.14 Surface TreatmentNo.31 Electromechanical SystemsNo.34 Engineering ConstructionNo.41 Gong Cheng Cheng BagNo.60 Electromechanical发明专利实用新型专利高新技术企业ISO9001认证