GB/T 28924-2023 Chinese PDF (GB/T28924-2023) YY/T 1949-2024

GB/T 28924-2023 Chinese PDF (GB/T28924-2023) YY/T 1949-2024GB T 28924 2023_Chinese: Guides for calculating energy efficiency index for iron and steel enterprises (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 28924 2023

1-2025_Chinese: Industrial trucks - Sustainability - Part 1: Vocabulary (Chinese: 工业车辆 可持续性 第1部分：术语)

GB/T 45288

English versions: GB/T 44935-2024

GB/T 28572-2025_Chinese: Specification and technical parameters of inlet valves for large and medium-sized hydraulic turbines (Chinese: 大中型水轮机进水阀门规格及技术参数)

English versions: GB/T 18814-2024

English versions: GB/T 23528

N-dimethylformamide in toys and children's products - Gas chromatography-mass spectrometry (Chinese: 玩具及儿童用品材料中N

English versions: GB/T 22107-2025

GB 28286-2024_Chinese: General requirements of industrial explosive (Chinese: 工业炸药通用技术条件)

GB/T 45379-2025_Chinese: Five-axis hybrid electrical discharge and arc milling machines - Testing of the accuracy (Chinese: 五轴电火花电弧复合铣削机床 精度检验)

English versions: GB/T 23101

GB/T 44976-2024_Chinese: Technical measures to trade - Guidelines for commenting (Chinese: 技术性贸易措施 评议指南)