What are the heavy industry enterprises in China?

China Heavy Industry, CITIC Heavy Industry, Sany Heavy Industry, Zoomlion Heavy Industry, XCMG, Shandong Heavy Industry, Shantui, Shanhe Intelligent, LiuGong, Xiameng, Jinkong, Longgong, Rongsheng Heavy Industry and so on, these are our own Chinese enterprises, as for the steel, Komatsu, Caterpillar, Liebherr, Hitachi, Doosan, Sumitomo Construction Machinery, Kawasaki Heavy Industry, Mitsubishi Heavy Industry and so on are foreign enterprises.