GB/T 9489-2024 Chinese PDF (GB /T9489-2024) GB/T 43018.3-2025 GB 30720-2025_Chinese: Minimum allowable values

GB 30720-2025_Chinese: Minimum allowable values of energy efficiency and energy efficiency grades for gas cooking appliances (Chinese: 燃气灶具能效限定值及能效等级)

GB/T 45480-2025_Chinese: Manganese ores and concentrates - Determination of aluminium content - Photometric and gravimetric methods (Chinese: 锰矿石和锰精矿 铝含量的测定 光度法和重量法)

GB/T 45583-2025_Chinese: Determination of common insecticide residue in cotton fiber - High performance liquid chromatography-mass spectrometry method (Chinese: 棉纤维常用杀虫剂农药残留的测定 高效液相色谱-串联质谱法)

English versions: GB/T 45212-2025

English versions: GB/T 45578-2025

GB/T 9489-2024 Chinese PDF (GB /T9489-2024) GB/T 43018.3-2025 GB 30720-2025_Chinese: Minimum allowable valuesGB T 9489 2024_Chinese: Methods for chemical analysis of alundum powder (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 9489 2024