GB 29145-2023 Chinese PDF GB/T 45355-2025 31-2025_Chinese: National food safety standard

31-2025_Chinese: National food safety standard - Determination of p-hydroxybenzoic acid esters in foods (Chinese: 食品安全国家标准 食品中对羟基苯甲酸酯类化合物的测定)

GB/T 11834-2023_Chinese: Friction linings for industrial and agricultural machines (Chinese: 工农业机械用摩擦片)

1-2025_Chinese: Non-destructive testing of heavy duty gas turbine blades and vanes - Part 1: Radiographic testing (Chinese: 重型燃气轮机叶片无损检测 第1部分：射线检测)

1-2025_Chinese: Optics and photonics - Specifications for binoculars

GB/T 28168-2025_Chinese: Information technology - Middleware - Technical requirement for message-oriented middleware (Chinese: 信息技术 中间件 消息中间件技术要求)

GB 29145-2023 Chinese PDF GB/T 45355-2025 31-2025_Chinese: National food safety standardGB 29145 2023_Chinese: The norm of energy consumption per unit production of tungsten concentrate, molybdenum concentrate and roasted molybdenum concentrate (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 29145 2023