QINGDAO GUANGJIE TECHNOLOGY CO., LTD. . is a company, which is specialized in the design, manufacture, fix and counseling for the throwing bolus machine, steel pretreatment equipment, environmental equipment and special metallurgy equipment. From the day it is established , it is stick to the principle of honest and credit. This brought out a lot of customers which become its development base. Good service and serious attitude to provide terrific technology work ........