Project Code 521
High-performance sealing materials are a decisive product. Indispensable in all plant parts, otherwise no process will work.
Soon after the founding of New China, a group of people were ordered to start from scratch under extremely difficult conditions, faced with blockade and countless difficulties and obstacles, and stood up tenaciously after many failures, and finally developed generation after generation of sealing materials, which not only broke the foreign monopoly and met the various needs of various domestic industries, but also built a special sealing material...... The Kingdom of Material.
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