... Material Co., Ltd. is located in Laizhou City, an open city at Laizhou Bay, with beautiful scenery, a ... Weifang to the west, Qingdao to the south and Yantai to the east, our company enjoys convenient transportation. Under the guideline of "science and ... products are widely used in industries like heat supply network of city construction, metallurgy, petroleum, chemical, electronics, machinery and ...