- NH310 Colorimeter2021-11-18
- NS810 Powder Color Difference Test2021-11-18
- Hangzhou Hikvision Digital Technology Co., Ltd. as2018-03-01
- Three energy appliances (Wuxi) Co., Ltd., bought a: NS8102017-12-23
- On the Hai Nuo Materials Technology Co., Ltd., bought a: NS82017-12-23
- Shanghai Lang billion Functional Materials Co., Ltd., bought2017-12-23