GB/T 4437.1-2023 Chinese PDF (GB/T4437.1-2023) GB/T 17359-2023 GB/T 19964-2024_Chinese: Technical requirements for

GB/T 19964-2024_Chinese: Technical requirements for connecting photovoltaic power station to power system (Chinese: 光伏发电站接入电力系统技术规定)

English versions: GB/T 13210-2024

storage pumps and pump-turbines (Chinese: 水轮机、蓄能泵和水泵水轮机更新改造和性能改善导则)

GB/T 10841-2025_Chinese: Marine shapes (Chinese: 船用号型)

99-2024_Chinese: Safety of household and similar electrical appliances - Part 99: Particular requirements for thermal-storage hand warmers (Chinese: 家用和类似用途电器的安全 第99部分：储热式电热暖手器的特殊要求)

GB/T 4437.1-2023 Chinese PDF (GB/T4437.1-2023) GB/T 17359-2023 GB/T 19964-2024_Chinese: Technical requirements forGB T 4437. 1 2023_Chinese: Aluminium and aluminium alloys extruded tubes Part 1: Seamless tubes (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4437. 1 2023