DOUBLESTAR(SZ:000599) Jin Rong Jie·2025-10-18 05:48Core Points - Qingdao Doublestar Tire Industry Co., Ltd. has obtained a patent for a "Full Wheel Pattern and Tire for Heavy-Duty Vehicles," which addresses the technical challenges of meeting high load and high mileage requirements [1] - The patent was granted with the announcement number CN 223432157 U, and the application date is December 2024 [1] Company Overview - Qingdao Doublestar Tire Industry Co., Ltd. was established in 1995 and is located in Qingdao, primarily engaged in the rubber and plastic products industry [1] - The company has a registered capital of 151.48 million RMB [1] - Doublestar has invested in 15 companies and participated in 501 bidding projects, with 36 trademark registrations and 875 patent registrations [1] - The company also holds 31 administrative licenses [1]