GB/T 30163-2023 Chinese PDF (GB/T30163-2023) GB/T 45393.2-2025 GB/T 18760-2025_Chinese: Methods and requirements

GB/T 18760-2025_Chinese: Methods and requirements for after-sales service of consumer products (Chinese: 消费品售后服务方法与要求)

GB/T 29043-2023_Chinese: Test method for thermal insulating performance of curtain walls (Chinese: 建筑幕墙保温性能检测方法)

GB/T 45005-2024_Chinese: Core rules for environmental product declarations of construction products and services (Chinese: 建筑产品与服务环境声明通则)

2-2024_Chinese: Natural gas - Calculation of thermodynamic properties - Part 2: Single-phase properties(gas

English versions: GB 19880-2024

GB/T 30163-2023 Chinese PDF (GB/T30163-2023) GB/T 45393.2-2025 GB/T 18760-2025_Chinese: Methods and requirementsGB T 30163 2023_Chinese: Specifications of top combustion stove with high blast temperature for blast furnace (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30163 2023