China Plastic Machinery PE double wall corrugated pipe extrusion line
Qingdao Deyili Investment Group,founded in the end of 1998, is specialized in researching, manufacturing high-technology plastic products and equipments,The group is awarded“ Enterprise of new technology and materials advocating ” of Construction Ministry of States... ...
Qingdao Deyili Plastic Machinery Co.,Ltd, is one of the leading plastic machinery manufacturers in China. Since foundation, the company has been devoted to ……
