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3-2025_Chinese: Petroleum and natural gas industries - Materials for use in H2S-containing environments in oil and gas production - Part 3: Cracking-resistant CRAs(corrosion-resistant alloys) and other alloys (Chinese: 石油天然气工业 油气开采中用于含硫化氢环境的材料 第3部分：抗开裂耐蚀合金和其他合金)
English versions: GB 20072-2024
GB/T 16702
English versions: GB/T 10781
2-2025_Chinese: Norm of water intake for industry in the Yellow River basin - Part 2: Coal preparation (Chinese: 黄河流域工业用水定额 第2部分：选煤)
GB/T 28885-2025 Chinese PDF (GB /T28885-2025) GB/T 20424-2025 3-2025_Chinese: Petroleum and natural gasGB T 28885 2025_Chinese: Directives for gas service (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 28885 2025
