GB 44019-2024 Chinese PDF GB/T 45359.2-2025 GB/T 44914-2024_Chinese: Hetianyu grading (Chinese:

GB/T 44914-2024_Chinese: Hetianyu grading (Chinese: 和田玉分级)

GB/T 44919-2024_Chinese: Micro-electromechanical systems(MEMS) technology - Bulge test method for measuring mechanical properties of thin films (Chinese: 微机电系统（MEMS）技术 薄膜力学性能的鼓胀试验方法)

English versions: GB/T 45216-2025

English versions: GB/T 10335

GB/T 45647-2025_Chinese: Technical specification for carbon dioxide recovery and disposal in metallurgical lime kiln (Chinese: 冶金石灰窑中二氧化碳回收处置技术规范)

GB 44019-2024 Chinese PDF GB/T 45359.2-2025 GB/T 44914-2024_Chinese: Hetianyu grading (Chinese:GB 44019 2024_Chinese: Safety requirements for tank cleaning washing operation of chemical tankers (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 44019 2024