- Apresys Precision Photoelectric Ltd
- rangefinder, binoculars, data loggers, night visio.
- Address:4/F building 11, No.1528 East Zhuanxing Rd. Minhang Shanghai, Shanghai
- Zoglab
- environmental data loggers,Temperature Data Loggers,Temperature Humidity Meter.
- Address:baijiayuan, Hangzhou, Zhejiang, China
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