The main contents include sampling and retention, oil product inspection, data collection, quality information transmission, quality traceability, quality comparison, supervision and inspection, brand building, etc.
T/DYZL 030-2022 history
2023T/DYZL 030-2023 Traciblity control system for refined oil quality of DongYing city
2022T/DYZL 030-2022 Traciblity control system for refined oil quality of DongYing city