99.999%
                        74-82-8
                        CH4
                        200-812-7
                        Alkene
                        Industrial Grade
                        99.99%
                        Gas Cylinder
                        150bar
                        40L or 50L
                        135bar
                        LD
                        Gas Cylinder
                        99.99%
                        China
                        2711210000
                        


