Shandong Lanhua has accumulated rich R & D and production experience in styrene polymers. The main "Haiwang" brand EPS resin and general-purpose PS resin have been rated as inspection free products in Shandong. They have been sold to Russia, Kazakhstan, Uzbekistan and other Central Asian countries, and have established long-term strategic cooperative relations with Qingdao Gulf chemical, Sinopec Qingdao Branch, Shandong Fubao and Dalian Hengli. In 2019, the company introduced BASF technology through school enterprise cooperation...