Dinggin Hardware (Dalian) Co.,Ltd. established in 1998 and came from Good Pipe Co.,Ltd. During the past decades year, we focus in the fields of ductile iron and cast iron products, cooperated factories spread over all main original places including Shanxi, Hebei, Shandong and Liaoning provinces. In our opinion, business concern not only cargo, service, and profit, but also environment, reputation and the feeling of users. Then we target our mission at "care every drop of our life". During ...