- Henan Wheat Import And Export Co., Ltd.
- Address:2-1-1, No.21 Jingba Road, Zhengzhou, China
- Hangzhou Guanshan Instruments Factory
- Address:NO.8,GAO ER FU ROAD ,GAOQIAO TOWN
- Chongqing Pangyi Technology Co., Ltd.
- Address:
- Shanghai Changai Electronic Science & Technology Co., Ltd.
- Address:13D, 1138 Changan Road, Zhabei
- Kunshan Alf Machinery & Instruments Co., Ltd.
- Address:599 Fengxing Rd., Huaqiao Town
- Wuxi Tianmu Instrument Technology Co., Ltd.
- Address:Qinglongshan Road, Qinglongshan Industial Park, Binhu District
- Changsha Kaiyuan Instruments Co., Ltd.
- Address:No.172 Kaiyuan Road, Changsha Economic & Technological Development Zone,Changsha, P. R. China
- Hangzhou QTR Tools & Meauring Tools Co., Ltd.
- Address:7buliding, ShenGYuan
- Wuxi Jinyibo Instrument Technology Co., Ltd.
- Address:No.591 ShengAn West Rd, Qianqiao Development Zone
1