- Guangdong South China Special Gas Institute Co.,Ltd
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- Shenzhen Huaxiang Chemical Co.,Ltd
- Doguan Gaoneng Industrial Gas Co.,Ltd
- Guangdong Huayan Technology Co.,Ltd
- Foshan Huapu Gas and Technology Co.,Ltd
- Guangdong Huayue Automatic Co.,Ltd
- Asia Pacific Gas Enterprise Co.,Ltd
- Suining United Chemical Co.,Ltd
- Chenzhou Xiangneng Semiconductor Gas Co.,Ltd
- Zhejiang Deqing Huake Gas Co.,Ltd
- Jiangxi Huadong Specialty Gas Co.,Ltd
- Jiangxi Huate Electronic Chemical Co.,Ltd
- Shanghai Huayaoding Gas Co.,Ltd
- Heihe Huakai Gas Co.,Ltd
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