GB/T 43309-2023 Chinese PDF (GB/T43309-2023) GB/T 18910.4-2024 GB 45189-2025_Chinese: Specification for cyanide

GB 45189-2025_Chinese: Specification for cyanide safety production management (Chinese: 氰化物安全生产管理规范)

English versions: GB/T 30595-2024

English versions: GB/T 12412-2024

4-butanediol

15-2024_Chinese: Safety of household and similar electrical appliances - Part 15: Particular requirements for appliances for skin or hair care (Chinese: 家用和类似用途电器的安全 第15部分：皮肤及毛发护理器具的特殊要求)

GB/T 43309-2023 Chinese PDF (GB/T43309-2023) GB/T 18910.4-2024 GB 45189-2025_Chinese: Specification for cyanideGB T 43309 2023_Chinese: Determination of chemical elements in glass fiber and its raw materials X ray fluorescence spectrometry (Chinese: X) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 43309 2023