The invention provides an easy to assemble railing assembly used for residential and commercial purposes. An electron source is configured to emit electrons. An up piston cylinder, a down piston cylinder, an up bed piece, a down bed piece, an up concave mold seat, a down concave mold seat, an up concave mold, and a down concave mold are fixed at the up bottom plate and the down bottom plate. In either case, the customization andor negotiation is efficient, cost-effective and useful. The crude glycerol stream is combined with superheated steam and oxygen to produce a synthesis gas that is then passed to a methanol synthesis reaction zone to produce methanol.