coal tar industry

基本解释

Coal tar has been a historic contribution to modern organic chemical industry.
煤焦油曾为近代有机化工作出了历史性贡献。
The company is located in energy and heavy chemical industry base, there are unique requirements for the production of black coal tar of high-quality resources.
公司地处能源重化工基地，有得天独厚的生产炭黑所需的优质的煤焦油资源。
Jining Carbon Group Limited which was founded in 1987 is a national large-scale joint-stock enterprise. It is a domestic leading enterprise in carbon and coal tar processing industry.
济宁碳素集团有限公司始建于1987年，是国家大型股份制企业，是国内碳素和煤焦油加工行业龙头企业。