Coalgas, water gas, producer gas and similar gases, other than petroleum gases and other gaseous hydrocarbons.
煤气、水煤气、炉煤气及类似气体，但石油气及其他烃类气除外。
2
The pressure swing gasproducer is a kind of equipment which can directly produce gas with certain pressure and making use of pieces coal.
变压煤气发生炉是一种以碎煤为原料直接生产带压原料煤气和燃料煤气的制气设备。
3
Welcome new and old friends come to my factory visit instruction, our main products for the coalgasproducer furnace, baking-free brick machine, mixing equipment, grinding equipment.