... , Zhujiang Steel, Great Wall Steel, Shaoguan Steel, Wuyang Steel, Jinan Steel, An Steel, Jiuquan Steel, Kunming Steel, Laiwu Steel, ... applied to the large castings production of National Erzhong Group Company. They have now passed the appraisal of Sichuan Provincial ... City. Several hundred different products of 10 types of industrial coatings and paints developed and produced one after another ...