GB/T 20834-2024 Chinese PDF (GB/T20834-2024) GB/T 45182-2025 1-2025_Chinese: Quality requirements for organic

1-2025_Chinese: Quality requirements for organic acids - Part 1: Citric acid (Chinese: 有机酸质量要求 第1部分：柠檬酸)

GB/T 45390-2025_Chinese: Communication interface requirements for power lithium battery production equipment (Chinese: 动力锂电池生产设备通信接口要求)

303-2025_Chinese: National food safety standard - Determination of Yeast β -glucan in Food (Chinese: 食品安全国家标准 食品中酵母β-葡聚糖的测定)

4-2024_Chinese: Power systems management and associated information exchange - Data and communications security - Part 4: Profiles including MMS and derivatives (Chinese: 电力系统管理及其信息交换 数据和通信安全 第4部分：包含MMS的协议集及其附件)

English versions: GB/T 45604-2025

GB/T 20834-2024 Chinese PDF (GB/T20834-2024) GB/T 45182-2025 1-2025_Chinese: Quality requirements for organicGB T 20834 2024_Chinese: Technical requirements for motor generator (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20834 2024