Compared with conventional respirators, we use aluminium or aluminium composite cylinders instead of steel ones, with weight reduction of 40%-70%, so they are more preferable for people with breathing problems.

Gas cylinder scuba diving tanks introduction:
Gas cylinder liners are made of high quality 6061 aluminium alloy materials. The manufacturing procedure includes punching, drawing, heat treatment, CNC flow forming spinning, inner surface treatment, etc. The wall thickness is uniform with little difference. The shape of shoulder and base are produced with high precision and consistency.
1. 15-year lifetime warranty;
2. 5-year requalification period; 15-year life;
3. Smooth, high quality, easy-care exterior finish.

 Quality & safety

1. Shanghai BENE High Pressure Container Co., Ltd has established the quality control system himself to providing high-quality cylinder to clients.

2. Each cylinder before mass production has to pass raw material tested at qualified lab approved by third party like TUV or AT.

3. Every batch of cylinders (200pcs per match) are manufacture and tested under supervision of local special equipment inspection and research institute and then issued batch test report.

4. Each finished cylinder will be tested before ship to client.

5. BYIWOD are honored to supply high-quality products to worldwide.