SHANDONG EAST INTERNATIONAL CHEMICAL CO., LTD. is a professional manufacturer of chemical products and raw materials. Tonglun Trading Co, . Ltd is a one of the standard enterprises which was located in Jinan City, Shandong Province. It is one of the largest chemical factory bases in the north of China and covers over 30, 000 square meters equipped with more than 100 Junior/Senior engineers , 200 staffs and the most advanced producing and testing equipments. Our main products are used in plastic industries. Main products are PP, PE, DOP, DINP, PVC RESIN and so on.At present, we have established a stable business relation with the South Africa, Southeast Asia , Middle east and other 30 countries.What's more, we have been enjoyed high reputation in these countries.