GB/T 43290-2023 Chinese PDF (GB/T43290-2023) GB/T 32151.34-2024 2-2024_Chinese: Energy saving ratio for

2-2024_Chinese: Energy saving ratio for distributed energy system of combined cooling

English versions: GB/T 45537-2025

English versions: GB/T 4331-2024

GBZ27032-2025_Chinese: Conformity assessment - Guidelines and examples of a scheme for the certification of processes (Chinese: 合格评定 过程认证方案指南与示例)

English versions: GB/T 15604-2024

GB/T 43290-2023 Chinese PDF (GB/T43290-2023) GB/T 32151.34-2024 2-2024_Chinese: Energy saving ratio forGB T 43290 2023_Chinese: Specification for common service of e commerce reverse logistics (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 43290 2023