12L special-purpose diving cylinders

• Our company is experienced in and qualified for the supplying various kinds of high and low pressure gas cylinders with pressure level B1,B2,B3,A1,C3,D1,D2. Presently, we can supply high pressure seamless steel cylinder, CNG cylinder for vehicle, low pressure LPG welded cylinder, composite cylinder, accumulator shells, welded insulated cylinder, and gas storage special container, aluminum liner fully wrapped with carbon fiber composite cylinder in 30 seriese of 680 sizes.      
• These cylinders are used to fill with permanent gases, liquefied petroleum gas or compressed natural gas or compressed air to serve a wide application in chemical industry, metallurgical industry, mechanical industry, petroleum industries, electronic industry, building industry and in the fields of fire fighting, energy, food process, household, medical treatment, cryogenic soldering, mountaineering, diving, mining,scientific research & etc.
• Presently our supplies have the approvals of DOT, TUV, CCS, BV, ABS, TC,& LIOYGS. These cylinders also can be designed and processed in strict accordance with the standards of BS, JIS, DIN, EN, KS, ISO, GB(China) or the off-standard from the consumer.  
• All the manufacturing technology and propertiess test are entirely under the supervision of the thirty-party supervision institute approved by General Administration of Quality Supervision,Inspection and Quarantine of China.

Attach cylinder picture: