All relevant units and individuals:
According to the relevant requirements of national group standards, the group standard "Evaluation Standard for Production Capacity of Special Manufacturing Enterprises of Space Grid Structures" of the China Steel Structure Association has been drafted for soliciting opinions. The solicitation work will be carried out from now on, with a deadline of 30 days. Please organize the review of the draft standard for soliciting opinions, prepare instructions, and fill out the form for soliciting opinions. Please return specific modification opinions and suggestions in the form of a letter or email before June 20, 2024. Failure to reply within the deadline will be treated as no objection.    
Thank you for your support of our work!  
Contact person and contact information: Sun Guojun 18810182552
Mailing address: Room 808, Basic Building, West Campus of Beijing Institute of Technology, No. 100 Pingyuan Park, Chaoyang District, Beijing
Postal Code: 100124
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Attachment: 1. "Evaluation Standards for Production Capacity of Special Manufacturing Enterprises of Space Grid Structures (Draft for Comments)"
2. Explanation on the Preparation of the Production Capacity Evaluation Standards for Special Manufacturing Enterprises of Space Grid Structures
3. Soliciting opinions on the evaluation standards for production capacity of specialized manufacturing enterprises for spatial grid structures