Chenhua is mainly engaged in the R&D, production and sales of fine chemical new material series products with oxyolefins, fatty alcohols, siloxanes, etc. as the main raw materials. On April 24, Chenhua announced that the company had recently obtained three invention patents issued by the State Intellectual Property Office. The patent names are a modified hzsm-5 molecular sieve composition for continuous synthesis of polyurethane with a tertiary amine catalyst and its preparation method, a porous alumina molecular sieve catalyst and its preparation method, and a method for continuous synthesis of polyurethane. A SAPO-34 molecular sieve composition containing a tertiary amine catalyst and a preparation method thereof. The above-mentioned invention patents have not been applied in the production of the company's products for the time being. The acquisition of the patents will not have a major impact on the company's production and operation for the time being, but it will help the company to pre-plan intellectual property rights for possible future products, form a continuous innovation mechanism, and enhance the company's core Competitiveness.