Core Viewpoint - Qingdao Double Star Tire Industry Co., Ltd. has applied for a patent for a rubber composition designed for tire treads that offers low rolling resistance across a wide temperature range, addressing performance issues in electric vehicle tires in cold environments [1]. Group 1: Patent Application - The patent titled "A Rubber Composition for Tire Treads with Low Rolling Resistance in a Wide Temperature Range" was filed with publication number CN121021950A, with an application date of August 2025 [1]. - The rubber composition includes high-styrene content solution polymerized styrene-butadiene rubber (40-80 parts by weight), medium-low styrene content solution polymerized styrene-butadiene rubber (20-50 parts), polybutadiene rubber (10-50 parts), modified liquid polybutadiene (1-40 parts), and pre-modified negative expansion filler (1-40 parts) [1]. - This composition aims to maintain low rolling resistance in both normal and low-temperature environments while providing excellent wet slip resistance and wear performance, which is beneficial for electric vehicle tires, particularly in cold regions [1]. Group 2: Company Overview - Qingdao Double Star Tire Industry Co., Ltd. was established in 1995 and is located in Qingdao, primarily engaged in the rubber and plastic products industry [2]. - The company has a registered capital of 151.48 million RMB and has invested in 15 enterprises, participated in 524 bidding projects, and holds 36 trademark registrations and 888 patent registrations [2]. - Additionally, the company possesses 31 administrative licenses, indicating a robust operational framework [2].