On November 5, 2021, in business management of chemical industry of He Hansen of Inc. of lamina of report of wind of material science and technology (Shanghai) limited company (“ of the following abbreviation vasts dark chemical ” ) hold ceremoniously on exposition of entrance of the 4th international " the agreement of long-term strategy cooperation that uses colophony and structural rubber data about wind report lamina " sign. In vice-president of Inc. of material science and technology is Zhao Qian, medium Inc. of lamina of report of wind of material science and technology plans to purchase Liu Wei of manager of department of department manager Xu Jia, market control, vast dark sale of Rong Tiezhi of chief inspector of business affairs of chemical Asia-Pacific region, division and market manager Jiang Rui attended an autograph to arrange a ceremony. In Inc. of lamina of report of wind of material science and technology is the major below banner of limited company of building materials group be engaged in wind report lamina reaching its mould research, design, make, the company of new and high technology of sale and technical service. Vast dark the produces business and composite material solution business that the group is banner epoxy resin system, having wind report lamina of 50 years to use outstanding achievement. Come for years, good faith of bilateral and ongoing hair, technology, producer face cooperates, roll out the innovation product that leads wind report the market ceaselessly, the high quality that promoted wind cable industry develops. In the meantime, vast dark chemical industry returns the big fibre glass below banner of the building materials in mixing to enhance material to produce group of business —— megalith, and the business that peaceful Bo group maintains long-term stability cooperates. Vast dark chief inspector of business affairs of chemical Asia-Pacific region Ms. Rong Tiezhi is bilateral next collaboration expresses: “ is active the two seas strategy during 945 ’ of ‘ of lamina of the material in fulfilling, integrated and bilateral respective advantage and resource, associated research and development is maritime big sign made of baked clay lamina, develop overseas market jointly, implementation interest is shared, the risk is carried in all, cooperative win-win. In the meantime, my department strengthens group of the building materials in mixing in aerospace, car light quantify, enhance fiber material, new material research and development and can use the cooperation that waits for a domain circularly, realize comprehensive win-win. ”