凡是靠技术优势占领市场的油田服务企业，基本上都实行科工贸一体化。

Generally, the oilfield service enterprises which have grasped the market with technological superiority all undertake integrated operation of science, industry, and trade.

济宁市鲁煤化工有限公司，是集煤焦化产销的综合性股份合作企业，鲁煤化工公司实行科工贸结合。

Jining lu coal-chemical co., Ltd., is a set of integrated production and marketing of coal-based joint-stock cooperative enterprises, lu coal chemical companies implement Trade and Industry Bureau.

济宁市鲁煤化工有限公司，是集煤系沥青基碳材料产销的综合性企业，鲁煤化工公司实行科工贸结合。

Jining lu coal-chemical co., Ltd., is a coal-pitch based carbon material production and marketing of integrated enterprise, lu coal chemical companies implement Trade and Industry Bureau.