中国化工建设总公司(简称CNCCC)承包国内和海外的化工工程。

China National chemical Construction Corporation (CNCCC) contracts for domestic and overseas chemical projects.

youdao

中国化工建设总公司(简称CNCCC)承包国内和海外的化工工程。

China National chemical Construction Corporation (CNCCC) contracts for domestic and overseas chemical projects.

youdao