Which position in the coal washing plant has a high salary?

Personnel department. In the coal preparation plant, the salary of the personnel department of the coal preparation plant is 6,000 yuan to 8,000 yuan, and the salary of other departments is 4,000 yuan to 6,000 yuan. The personnel department has a high salary. Coal preparation plant is a coal processing plant that sorts coal, removes mineral impurities, dust and gangue from raw coal, reduces ash and sulfur, and divides it into products with different specifications.