6.7L ,10L  oxygen gas cylinder,
Water capacity 6.7L 
Standard ISO9809-3 
Valve:without            Cap: with
Material: 37Mn
Diameter:140mm 
Height: 680mm 
Wall thickness: 3.6 mm 
Weight of seamless: 10.3kg 
Working pressure:150bar 
Testing pressure:250bar

   Established in 1998. Our company possesses three production lines for production of various seamless gas cylinders. The annual production and sale for gas cylinders of below 20L for 600 thousand pieces, accounting for 90% domestic share in small size gas cylinder market. The recently set up new production line for 0.4L-80L emergency respirator, colliery escape capsule and refuge chamber has the annual production of 700 thousand pieces of cylinders. By the year 2013, the total specifications we do ascent to 109 types to meet different customers' requirement.

Our major products are yongan  oxygen cylinder, yongan gas cylinder, YA co2 gas cylinder, argon gas cylinder, other industrial gas cylinder, medical oxygen gas cylindersupply unit, etc., with wide application for fields of medical apparatus and instruments, engineering machinery, colliery rescue, gas industry, welding-cutting machinery, and chemical industry. Our cryogenic vessels production line mainly produce cryogenic liquid storage tanks, welding insulation cylinders, cryogenic reaction device, cryogenic tanks, cryogenic ISO tank container and air temperature vaporizer.


So far our products are enjoying good markets at home and exporting to European and American countries, the Middle East countries, West Asia, as well as South and East Asia countries.