Hangzhou Yuhang Zhangshan Steel Cylinder Co., Ltd. was established in 1993, originally named "Hangzhou Oxygen Generator Group Zhangshan Steel Cylinder Factory" and renamed "Hangzhou Yuhang Zhangshan Steel Cylinder Co., Ltd." in 2002. It is a professional manufacturer of various types of liquefied petroleum gas steel cylinders. The company has assets of 500 million yuan, more than 40000 square meters of factory buildings, two 1000 ton docks on the Beijing Hangzhou Grand Canal, over 400 employees, more than 100 technical personnel, and an annual production capacity of over 5 million units. The company is located in Yuhang District Economic Development Zone, Hangzhou City, Zhejiang Province, adjacent to the Yangtze River Delta Economic Belt and the western corridor of the city. The logistics advantage is obvious, only a few kilometers away from the Hangzhou Nanjing and Shanghai Hangzhou highways, and the transportation is very convenient.

Aceccse (Hangzhou) Composite Co., Ltd. is a new company specializing in the manufacture of non-metallic liner composite gas cylinders. Relying on the parent company ZHANGSHAN CYLINDER platform, the company began research and development of the fourth type of pressure vessel in 2012. This product is the first application of international cutting-edge composite technology in the fourth type of pressure vessel industry in China. After 6 years of research and development and technical optimization, the company has already possessed the technology and ability to completely produce the "non-metallic inner glass fiber full-wound gas cylinder". The products have also passed the type test certification of many international and domestic laboratories.