![](/assets/images/caseNew_1.png)
![](/assets/images/caseNew_2.png)
Chinese regulatory authorities uniformly use the areas
Jiangsu Provincial Quality Supervision Bureau
Fujian Province in 2013 (more than 8 million steel cylinders)
Xinjiang, Yunnan, Tibet, Inner Mongolia and other cities for unified use
In 2016, Zhuhai City, Guangdong Province
Tianjin City in 2008
In 2016, Yiyang City, Hunan Province
Xiangyang City, Shiyan City, Jingmen City, Hubei Province, etc
Beijing LPG Company
Nanjing Baichuan LPG Company
Yan'an liquefied gas Company
Kunming Zhongmin Gas Co
Fushun Kunlun Petrochemical Company
Baoding Xinao LPG Company
Nanyang Oilfield LPG Company
![](/assets/images/caseNew_1.png)
![](/assets/images/caseNew_3.png)
Maanshan Iron & Steel Company oxygen plant
Daqing Kunlun Petrochemical Company (Xuelong Gas)
The Lianhu Medical Oxygen Plant, Changsha, Hunan province
Wuhan Iron and Steel Company oxygen plant
Daqing Oilfield Lianxing Gas Company
Liaoning Dalian Iu Gas Company (wholly owned by Japan)
Hunan Changsha Changgang Gas Co., LTD