Xinhua News Agency, June 1, the company signed a strategic cooperation agreement with Donghua Science and Technology on May 31, and the two sides intend to carry out all-round cooperation around the business field. to form a long-term, stable and mutually trusting cooperative relationship. Lanshi heavy equipment said that Donghua Science and Technology has outstanding advantages in the field of coal chemical industry, especially in coal-to-ethylene glycol, coal-to-olefin and other projects, which will help Lanshi heavy equipment to obtain more high-quality orders in multiple industrial chains of coal chemical industry.