GB 21342-2025 Chinese PDF GB 10770-2025 GB 17741-2025_Chinese: Evaluation of seismic

GB 17741-2025_Chinese: Evaluation of seismic safety for engineering sites (Chinese: 工程场地地震安全性评价)

2-2024_Chinese: Grades of cemented carbide - Part 2: Grades of cemented carbide for rock drilling and engineering (Chinese: 硬质合金牌号 第2部分：凿岩及工程用硬质合金牌号)

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English versions: GB 45248-2025

GB 45549-2025_Chinese: Norm of energy consumption per unit production of graphite and fluorite (Chinese: 石墨和萤石单位产品能源消耗限额)

GB 21342-2025 Chinese PDF GB 10770-2025 GB 17741-2025_Chinese: Evaluation of seismicGB 21342 2025_Chinese: Norm of energy consumption per unit production of coke (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 21342 2025