Zhongxing Holding Group was founded in 1997,it's an innovative high-tech enterprise with three subsidiaries.Med-star corporation produces medical oxygen concentrator and sparkling water machine.Min-star corporation is in charge of trading and retailing.Mid-star corporation focus on high pressure seamless aluminium alloy gas cylinders,we also have own valve factory.Mid-star corporation invested 30 million RMB to establish new workshops and purchase advance facilities in 2020,there are more than 100 workers and office staffs.We have implemented a strict and complete quality control system to inspect every bottle before shipment.All the products meet CE/TPED,BS5045,DOT3AL,ISO7866,and can be used in food and beverages,medical health,industrial gas,fire rescue and other fields.The product's material selection is 6061-T6.Because of its high quality,excellent pressure resistance,low temperature impact resistance and corrosion resistance,our products are more ECO friendly,safer and lighter weight than carbon steel and alloy steel cylinders.Thank you for trusting Zhongxing and choosing Zhongxing.