GB/T 30134-2025 Chinese PDF (GB /T30134-2025) GB 20071-2025 1-2025_Chinese: Plastics - Determination of

1-2025_Chinese: Plastics - Determination of temperature of deflection under load - Part 1: General test method (Chinese: 塑料 负荷变形温度的测定 第1部分：通用试验方法)

maintenance and improvement of a GB/T 23331 energy management system (Chinese: 能源管理体系 实施、保持和改进GB/T 23331能源管理体系指南)

English versions: GB 45246-2025

2-2025_Chinese: Petroleum and natural gas industries - Materials for use in H2S-containing environments in oil and gas production - Part 2: Cracking-resistant carbon and low alloy steels

English versions: GB/T 17817-2024

GB/T 30134-2025 Chinese PDF (GB /T30134-2025) GB 20071-2025 1-2025_Chinese: Plastics - Determination ofGB T 30134 2025_Chinese: Specification for cold store management (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30134 2025