Weifang is better. What are the large chemical companies?

Shandong Haihua Group: Shandong Haihua Group was established in August 1995, and was established by two state-owned enterprises, Weifang Soda Factory and Shandong Yangkou Salt Factory. It is a modern super-large enterprise integrating science, industry and trade with the development of emerging marine chemical industry as the leading factor. It is one of the "120 national pilot enterprise groups" and one of the key large enterprise groups cultivated in Shandong Province. At present, the Group has more than 265,438+0,000 employees and total assets of over 65,438+0.8 billion yuan. It has 43 branches and subsidiaries, a national technology center and enterprise postdoctoral workstations. There are more than 40 kinds of main products, among which the output of synthetic soda ash, nitrate and solid calcium chloride ranks first in the world, and the output of crude salt, bromine, bromide, sodium silicate and silica ranks first in the country. It is the largest marine chemical production and export base in China.