Changsha New And High-tech. Development Zone Okay Energy Co., Ltd.

[ Manufacturer ]Main business are Energy complete equipment

Hangzhou Shichuang Technology Co., Ltd.

[ Manufacturer Trader ]Main business are Chromatograph, Chromatogram software

Shanghai Hau'ai Chromatographic Analysis Technology Co., Lt

[ Manufacturer Trader ]Main business are Gas chromatograph, Insulating oil chromatograph, Electric system special chromatograph, Chromatograph workstation.

Beijing Haoyun Industry And Trade Co., Ltd.

[ Manufacturer Trader ]Main business are Hydrogen storage alloy filings, Metal powder, Rare earth metal, Hydrogen gas storage clarifier and hydrogen generator etc.

Ouenbei Technology (dalian) Co., Ltd.

[ Manufacturer Trader ]Main business are Life sciences and chemical analysis testing instruments