Chongqing Jiulongpo District Lathes Guo Qiao Wan Pipes Ya Li Testing Machines Punches Kong Gases Regulators Ji Xie Ya Li Machines Zhe Bian Machines Power Systems Ye Ya Chuan Dong Di Mian Pao Guang Machines Polishing Equipment Appliances 高新技术企业 省级高新技术企业 市级高新技术企业