The company is an energy resource project integrator with specialized gas expertise. The following is a clear description of the energy project. 1: About hydrogen: hydrogen equipment manufacturing, hydrogen storage pressure vessel, hydrogen high-pressure cylinder production, hydrogen fuel pipeline laying, hydrogen refueling station construction; 2: Oxygen related to oxygen: oxygen equipment manufacturing, oxygen storage tanks, oxygen cylinders, oxygen pressure reducer manufacturing; 3: Cryogenic air separation to produce oxygen and nitrogen; Pressure swing adsorption device to produce oxygen, nitrogen, ammonia decomposition to produce hydrogen; 4: Exhaust gas recovery to produce CO2, limestone calcination technology to produce CO2, food grade, industrial grade CO2 manufacturing; 5: Acetylene equipment manufacturing, acetylene bottle manufacturing; 6: Production of gas storage tanks, gas pressure vessels, production of high pressure gas cylinders, production of gas pressure reducers.