YY/T 1940-2024 Chinese PDF (YY /T1940-2024) GB/T 45545-2025 7-2025_Chinese: Plastics - Polyether polyols

7-2025_Chinese: Plastics - Polyether polyols for use in the production of polyurethane - Part 7: Determination of basicity (Chinese: 塑料 聚氨酯生产用聚醚多元醇 第7部分：碱性物质含量的测定)

GB/T 20850-2025_Chinese: Safety of machinery - Guidelines for the application of machinery safety standards (Chinese: 机械安全 机械安全标准应用指南)

GB/T 20965-2025_Chinese: Control network HBES technical specification - Home and building control system (Chinese: 控制网络HBES技术规范 住宅和楼宇控制系统)

GB/T 45544-2025_Chinese: Jump rope (Chinese: 跳绳)

English versions: GB/T 43707-2025

YY/T 1940-2024 Chinese PDF (YY /T1940-2024) GB/T 45545-2025 7-2025_Chinese: Plastics - Polyether polyolsYY T 1940 2024_Chinese: Medical nickel titanium powders for additive manufacturing (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: YY T 1940 2024