Zhengzhou high pressure valve factory
Zhengzhou Boda flour industry co., ltd
He' nan province high mountain valve co., ltd
He' nan province Xingyang Liu Ling Group Co., Ltd.
Henan shaolin automobile co., ltd.
Zhengzhou sunshine grease co., ltd
Tian Rui Group Xingyang Cement Co., Ltd.
He' nan province Xingyang central machine manufactory
All the above companies are well-known, but there are no listed companies.