- Wuxi Jinyibo Instrument Technology Co., Ltd.
- Address:No.591 ShengAn West Rd, Qianqiao Development Zone
- Chongqing Geological Instrument Factory
- Address:NO.2 XIANFENG STREET,SHAPINGBA DISTRICT,CHONGQING,CHINA
- Sunny Instrument Co.,Ltd.
- Address:NO.68 Beiguang Street Liaocheng Shandong 252000 China
- Gri Detection Instrument Co.,Ltd
- Address:Environment Science Technology Industrial Zone Changsha Hunan China