Shandong Haihui environmental protection equipment Co., Ltd., is a subsidiary of Haihui group, was established in 2 0 0 9, located in Rizhao City which near to Qingdao port. The company has various advanced manufacturing equipment and inspection center, has passed I S O 9 0 0 1, I S O 1 4 0 0 1, I S O 4 5 0 0 1 and I S O 5 0 0 0 1 international standard certification and had obtained 41 patents. With an annual output of various types of transportation machinery and environmental protection equipment more than 15000 sets, we also has the ability to produce more than one million rollers every year.