Established in 2000, We Factory is a manufacturer specialized in the research, development and production of Centralizer, float collars and float shoe, Rigid centralizer, Casing centralizer Hejian City Rongtai Petroleum Machinery Factory is a located in Hejian City, with convenient transportation access. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout. Our company has not only attained ISO9001:2008 quality system certification, but also got the license from API (5CT, 7K). Some of our products have been sold to several oilfields at home, and most of them are exported to the Middle East and Asia. We sincerely welcome all friends from at home and abroad to visit our company and discuss business with us in order to establish cooperative relationship with us.