The company is excellent in developing and manufacturing tube fin type, serpentine type, parallel flow type and laminated type. The company is special in producing auto water tank, heater core and cooling module. The annual production capacity of air conditioner condenser and evaporator is 4,000,000 and there are more than 1,000 varieties of heat exchanger cores which can apply to the automobile air conditioner, commercial air conditioner, refrigerating units, train air conditioner and central air conditioner.