No.292 BeiyuanTianqiao District, Jinan, Shandong, China,
Shandong Yonja industry Co., limited has been in the plastic chemicals marketplace for many years. We started as a manufacturing enterprise who dedicated to domestic business. After years of development and practice, company successfully grown up ...
tio2, dop, ldpe, hdpe, pvc resin, caustic soda, sles, soap noodles, gum rosin, copper sulphate
