KeLi plastic Co. Ltd belonging to Yanshan University, Qinghuandao, locates at Science & Technology Campus of Yanshan University, which is inside the Qinhuangdao economic & technology development zone. KeLi is a high-tech enterprise covered Production, Study and Research, invested by Yanshan University. Our company induces advanced manufacturing facilities from Tanwan, in terms of the modern designing concept to specially develop and manufacture plastic valve and related plastic products.