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English versions: GB/T 23694-2024
GB/T 21121-2024_Chinese: Animal and vegetable fats and oils - Determination of oxidative stability(accelerated oxidation test) (Chinese: 动植物油脂 氧化稳定性的测定（加速氧化测试）)
English versions: GB/T 18757-2025
English versions: GB/T 20032-2024
GB/T 18964.2-2025 Chinese PDF (GB /T18964.2-2025) GB/T 10781.5-2025 English versions: GB/T 23694-2024GB T 18964. 2 2025_Chinese: Plastics Impact resistant polystyrene (PS I)moulding and extrusion materials Part 2: Preparation of test specimens and determination of properties (Chinese: PS I 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18964. 2 2025
