The main factory of Shandong Hoch Chemistry Imp&Exp Co., Ltd. was established in 1982. After nearly 30 years development, the factory has been development into a big private company which covers business in industrial salt, chemicals, logistics and so on. The company has 6600 employees, with 200 square kilometers. All the branch manufacturing factories have passed the ISO9001 quality system certification and ISO14001 environmental management system certification.