Patent certificate
Sequential filling system
State Intellectual Property Office of the P.R.C
The sequence of air supply to the gas bombs is mechanically controlled, which is safe and reliable with low cost.
2008-04-23

Patent certificate
Vertical containment fill station
State Intellectual Property Office of the P.R.C
Gas bomb filling unit
2008-12-24

Patent certificate
Shell of gas bomb support
State Intellectual Property Office of the P.R.C
2007-09-19

Patent certificate
Double-drive compressor
State Intellectual Property Office of the P.R.C
2010-02-24

Patent certificate
A containment fill station for single gas bomb
State Intellectual Property Office of the P.R.C
Gas bomb filling unit
2010-01-13

Patent certificate
Valve sleeve for gas bomb filling
State Intellectual Property Office of the P.R.C
2007-09-19

Patent certificate
Containment fill station for high pressure gas bomb
State Intellectual Property Office of the P.R.C
2008-03-12

Patent certificate
Multi-step air supply unit
State Intellectual Property Office of the P.R.C
2008-05-14

Patent certificate
High pressure pneumatic control valve
State Intellectual Property Office of the P.R.C
2007-09-19

Patent certificate
Pressure maintaining valve
State Intellectual Property Office of the P.R.C
2007-09-19