NOTICE:
Concept and principle of edge seal machine
As the world economy changed from the industrial era to the era of knowledge economy , resource and labor as the main mode of production can not meet the needs of the existing production-oriented ent
©Shandong China Coal New Energy Import Export Co., Ltd. © 2017
Address:No. 11, North of Kaiyuan Road, High-tech Zone, Jining City, Shandong Province, China
