GB 44172-2024 Chinese PDF GB/T 14600-2025 GB/T 4446-2025_Chinese: Shipbuilding and marine

GB/T 4446-2025_Chinese: Shipbuilding and marine structures - Mooring winches (Chinese: 造船与海上结构物 系泊绞车)

3-2024_Chinese: General technical requirements for agricultural internet of things - Part 3: Aquaculture (Chinese: 农业物联网通用技术要求 第3部分：水产养殖)

GB/T 45016-2024_Chinese: Test methods for mechanical automatic tensioner of accessory belt drive system of engine (Chinese: 发动机附件带传动系统机械式自动张紧轮试验方法)

English versions: GB/T 45506-2025

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GB 44172-2024 Chinese PDF GB/T 14600-2025 GB/T 4446-2025_Chinese: Shipbuilding and marineGB 44172 2024_Chinese: Safety management requirements for hot work in shipyard (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 44172 2024