In July 29.2020,we obtaining API Spec Q1.

The Amercian Petroleum Institute certifies that the quality management syetem of Shijiazhuang Dibo Petroleum Machinery Co.,Ltd.has been assessed by the American Petroleum Institute and foung to be in confomance with the following:API Specification Q1.

The scope of this registration and the approved quality management syetem applies to the:Design,Manufacture and Sales of Bow Spring Casing Centralizers for the Oil and Gas Industry.