GB/T 24750-2023 Chinese PDF (GB/T24750-2023) GB/T 20236-2025 GB/T 23950-2024_Chinese: General methods for

GB/T 23950-2024_Chinese: General methods for the determination of heavy metals in inorganic chemical products (Chinese: 无机化工产品中重金属测定通用方法)

GB/T 45397-2025_Chinese: Information technology - Big data for ecological environment - System framework (Chinese: 信息技术 生态环境大数据 系统框架)

61-2024_Chinese: Safety of household and similar electrical appliances - Part 61: Particular requirements for surface-cleaning appliances for household use employing liquids or steam (Chinese: 家用和类似用途电器的安全 第61部分：使用液体或蒸汽的家用表面清洁器具的特殊要求)

English versions: GB/T 6519-2024

English versions: GB/T 19480-2025

GB/T 24750-2023 Chinese PDF (GB/T24750-2023) GB/T 20236-2025 GB/T 23950-2024_Chinese: General methods forGB T 24750 2023_Chinese: Ethephon technical material (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 24750 2023