GB/T 33761-2024 Chinese PDF (GB /T33761-2024) GB/T 31086-2025 GB/T 32158-2025_Chinese: Coal-based needle coke

GB/T 32158-2025_Chinese: Coal-based needle coke (Chinese: 煤系针状焦)

GB/T 21199-2024_Chinese: Dry toner for laser printer (Chinese: 激光打印机用干式显影剂)

voltage dips and short interruptions (Chinese: 电能质量 电压暂升、电压暂降与短时中断)

English versions: GB/T 21290-2025

GB 31648-2025_Chinese: National food safety standard - Code for pollution control of dioxins and polychlorinated biphenyls in food (Chinese: 食品安全国家标准 食品中二噁英及多氯联苯污染控制规范)

GB/T 33761-2024 Chinese PDF (GB /T33761-2024) GB/T 31086-2025 GB/T 32158-2025_Chinese: Coal-based needle cokeGB T 33761 2024_Chinese: General principles for green product assessment (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 33761 2024