Petrochemicals
Petrochemicals
ChengDu ShuGuang Petrochemistry Project | 
DaGang Oilfield Produced water Porject | 
DaLian Qihua Project |
HuiFeng Petrochemicals Project | 
LanZhou Petrochemicals Experiment Project | 
LiaoYang Petrochemicals Project |
ShenYang GuangDa Environment Petrochemicals Project |