Core Viewpoint - China Petroleum & Chemical Corporation's Yizheng Chemical Fiber Company has been recognized for its patented technology in membrane-grade polyester materials, which is part of the "Hundred Chains and Thousand Enterprises" patent industrialization promotion project for 2025 by the China Patent Protection Association [1] Group 1: Technology and Innovation - The patented technology encompasses a comprehensive combination of formulations, processes, and applications, successfully overcoming the bottleneck in high-additive continuous polymerization technology to develop membrane-grade polyester [1] - Yizheng Chemical Fiber has led the formulation of national standards around this technology and has achieved the first set of 10,000-ton industrial production in the country [1] Group 2: Industry Impact - The products developed from this technology cover strategic emerging industries such as optics and photovoltaics, with a cumulative production of 7.69 million tons [1] - The advancement in membrane-grade polyester has contributed to a domestic production rate of 90% in the industry [1]