He' nan province Zheng Long coal industry co., ltd
Anyang xinlong coal industry co., ltd
Sanmenxia Longwangzhuang coal industry company
He' nan Jinyong energy co., ltd
He' nan yonghua energy co., ltd
Luoyang Longmen coal industry co., ltd
Qianxi Jin Po Coal Industry Co., Ltd.
Yonggui energy development co., ltd
chemical industry
Kaifeng yongda chemical industry
He' nan longmei chemical co., ltd
Guizhou anlong jinhong special resin co., ltd.
He' nan Ran Hua Co., Ltd.
Shangqiu Yu Long chemical co., ltd
Puyang Yu Long chemical co., ltd
Kaifeng Tower Rubber (Group) Co., Ltd.
Xinxiang Zhongxin chemical co., ltd.
Anhui sanxing chemical co., ltd
nonferrous metal
Luanchuan Yu Long molybdenum industry co., ltd
He' nan international mining industry development co., ltd
He' nan Yong coal mine industry co., ltd
He' nan Yongdeng aluminum co., ltd
He' nan zhongmei aluminum co., ltd
Luanchuan Zheng Long mining co., ltd
Xichuan Yulong Ye Fan Co., Ltd.
Equipment manufacturing
Kaifeng air separation group co., ltd
Luoyang LYC bearings co., ltd
force
Guodian Quan Min Power Generation Co., Ltd.
Shangqiu Tianlong investment co., ltd
Shangqiu Yudong Power Generation Co., Ltd.
Luoyang yonglong electric power co., ltd
building material
Yongmei group Tianlong building materials co., ltd
Yongmei Group Huilong Cement Co., Ltd.
He' nan province Guo Long real estate co., ltd
Yongcheng coal-fired power group Yu Long energy development co., ltd
Trade logistics
Xuzhou Yu Long port service co., ltd
Yongcheng coal-fired power group julong logistics trading co., ltd
Shanghai Yulong mining co., ltd
He Long International Trading Co., Ltd.