Shandong zhongzheng who is been operating since 90?s, can be considered as the flagship of the steel pipe Group Companies.zhongzheng has gained an enviable reputation and confidence in the sector; cause of the long years of experiences in seamless steel pipes producing, thoroughness in producing and stocking and the importance given to the pre and after sales satisfaction.zhongzheng is one of the leaders of the market based on the experience over 20 years.As well as not only being the initiative company that stocks 1st Quality Pipes, the supplying speed owing to the perfect storage system; is one of the main reason of long terms relationships with the customers.Zhongzheng is extremely meticulous about having the Mill Test Certificates of all the pipes at its stock. Producing and stocking discipline shown to the customers as a solution partner is also sustainable during the workflow and after sales.
