2019DB11/T 1322.88-2019 Part 88 of Technical Specifications for Assessment of Safety Production Level: Petroleum Drilling Engineering Technical Service Enterprises
2018DB11/T 1322.78-2018 Part 78 of the Technical Specifications for the Assessment of Safety Production Grades: Wild Animal Breeding Sites
2017DB11/T 1322.38-2017 Part 38 of Technical Specifications for Safety Production Rating Evaluation: Inter-Provincial Passenger Transport Enterprises
2016DB11/T 1322.18-2016 Part 18 of Technical Specifications for Assessment of Safety Production Grades Gas Supply Enterprises