On September 11, 2019, Shandong DESHI Petroleum Engineering Group Co., Ltd. successfully obtained the CNAS accreditation certificate.

CNAS (China National Accreditation Service for Conformity Assessment) is currently the only institution in China that is qualified to issue national laboratory qualifications. Through CNAS certification, the management level and testing capability of the Group's quality inspection center have been approved globally, and the inspection report provided by DESHI Group will be approved by 65 institutions in 50 countries and regions around the world.