Projects
Polyamide polymerization
首頁>Projects>Engineering>Polyamide polymerization
JINYUAN 165000t/a Polymerization
The first set of caprolactam plant utilization and public works production line
? 北京三聯(lián)虹普新合纖技術服務股份有限公司 版權所有 京ICP備09105188號