Standard gas manufacturers are:
1, Beijing Beida Pioneer Technology Co.
2, the main products: variable pressure adsorption VPSA oxygen equipment.
3, Baoji Shuangfeng Gas Co.
4, the main products: standard gas.
5, Handan parallel new material technology co.
6, Main products: Handan standard gas.
7、Zhongshan Yuejia Gas Co. Main products: helium nitrogen argon oxygen acetylene isotope rotenone laser gas mixture.
8, jining xieli special gas co.
9, Foshan City, the gas chemical Co.
10, Foshan City, Shunde District, Dongshun gas Co.
11, Guangdong Huate Gas Co.