Qinghe intake and exhaust system industrial Park started construction
Hebei Yili Rubber & Plastic Group Co., LTD was founded in 2003
Qinghe intake and exhaust system industrial Park started construction
Beijing Conneria Changchun yili established quanjiao Yili established
Wuxi Yili was established xi 'an Yili was established
Dingyuan Yili Filtration Co. LTD
Hebei Yilikangnalia tail gas treatment Company was established
Huagong Eili filtration Technology Joint RESEARCH and development Center was established
Qingdao Rotek was established
Tianjin Yili Qingdao Glende was established
SCR post-processing system began to be developed
The whole group began to implement lean production system