On January 15, 2019, Zhongzi Environmental Protection obtained authorization from the US Patent Office for another PCT patent titled "A Low Temperature SCR Catalyst for Diesel Exhaust Denitrification and Its Preparation Method", with patent number US 10179328. This is the second officially granted international patent by Zhongzi Environmental Protection.

      This invention belongs to the field of diesel engine catalyst preparation technology, and specifically relates to a molecular sieve SCR catalyst and its preparation method for low-temperature conversion of NOx gas in diesel vehicle exhaust purification.

      The SCR invented in this patent is prepared using molecular sieves as carriers through a special process, and has high conversion efficiency and good durability at low temperatures. It not only meets the requirements of National VI and non road T4 emission regulations for diesel vehicles, but also has a cost advantage and obvious cost-effectiveness compared to molecular sieve based SCR currently on the market.

      Technological research and innovation are the driving forces for the sustainable development of enterprises. As a key high-tech enterprise in the National Torch Plan, focusing on catalytic technology as its core and dedicated to the research, development, production, and sales of vehicle exhaust purification catalysts, Zhongzi Environmental Protection has actively carried out technological innovation work in recent years and introduced a patent reward system to stimulate the enthusiasm of technical personnel to apply for technological achievements. As of now, the company has applied for 76 patents, including 63 invention patents and 40 authorized patents; Applied for 7 PCT patents, of which 2 have been authorized by the United States Patent Office. Through years of hard work, the company has accumulated a certain amount of patent reserves, which provide strong technological support for the company to explore domestic and international markets and enhance its core competitiveness.

    The company's diesel engine catalyst products have been granted international patent authorization, which proves that the company's innovative achievements in SCR catalysts have been recognized in the international professional field; On the other hand, it has enhanced the company's confidence in promoting the transformation of the patent achievements. Our company will take this authorization as an opportunity to continue to maintain the momentum of innovation in future work and make the company better, bigger, and stronger.