On March 19, Yangtze Petrochemical SE Coal Gasification Plant finished the modifications and omissions to gasification and ash water unit system, which use our own technology, on the basis of summarizing initial commissioning and operating running experience, Yangtze SE coal gasification plant realized a successful coal feeding and produced qualified H2 on March 20. At present, the plant is in steady running, H2 yield reached to 40000Nm3, the purity nearly reached to more than 99.5%, it already substituted natural gas to H2 plant.