Improve surface quality of casting products include: mold non-sinusoidal vibration system (hydraulic/electric), stopper mechanism, dynamic light pressure machine, slag detection system on the basis of intelligent liquid level control system, intelligent, converter slag detection system, secondary cooling region of caster and dynamic water distribution technology, continuous casting machine dynamic secondary cooling area under the elegant online measuring system, the thickness of the solidified shell products, surface quality control system, automatic slag system, electromagnetic stirring system, etc.