Home | Contact us | Chinese

Chemical industry

In the coal chemical sector, the Group has formed five directions such as coal fertilizer, coal coking, salt, coal based methanol processing, coal oil, and based on them the Group has achieved high efficient conversion of coal according to quality, and promoted the transformation of coal from fuel to raw materials.
totop 日本一本道高清无码AV,最新高清无码专区.在线观看中文字幕DVD播放