In the fourth quarter of 2014, the Guangzhou Municipal Bureau of Quality and Technical Supervision conducted a supervision and inspection on the quality of automobile tire products in the production area of ​​the city . A total of 15 batches of products produced by 4 companies were randomly selected and tested to meet the standard requirements. This spot check is based on the national standard GB 8743-2007 "Car Tire ", GB 9744-2007 "Load Truck Tire ", GB 518-2007 "Motorcycle Tire " and GB 7036.2-2007 "Pneumatic Tire Inner Tube Part 2: Motorcycle Tire tube "appearance quality of the tire, identification, peripheral dimensions, the tread wear indicator, strength properties, durability, high speed performance, tubeless tire unseating resistance, air tightness, joint tensile strength, elongation at break, 14 items such as the hot tensile deformation rate, the rubber seat valve seat and the tire body adhesion test, and the absolute value of the tensile strength change rate after aging (A) were examined. Product purchase and use of common sense When purchasing such products, consumers should prefer brand-name enterprises, well-known trademarks, and well-known brands. The relative quality of their products is stable and reliable. At the same time, sales companies with goodwill should be selected to purchase tires , and purchase and invoices should be saved. Look at the logo before purchase, do not buy tires with incomplete logo or wrong logo . Some tire or packaging, brochures, etc. with security alerts, use the guidelines, consumers should be strictly in accordance with the above requirements proper use and maintenance of tires, tire safety and to ensure personal safety, and extend the life of the tire. Learn more about tires and pay more attention to industry trends. Tires and common sense are the instructions on the major tire manufacturer's brand web page, consumers can learn more about tire knowledge through this convenient way to properly guide their purchase, tires, tires used safely. Pay attention to the news media report on car tires , and carefully purchase tires with quality problems . Qualified products and their business list Nominal manufacturer product name trademark Type specification Production date/lot number Comprehensive judgment Guangzhou Huanan Rubber Tire Co., Ltd. Car tire WANLI 185/65R14 4114 qualified Guangzhou Huanan Rubber Tire Co., Ltd. Light truck tire WANLI 175R13LT 3414 qualified Guangzhou Huanan Rubber Tire Co., Ltd. Truck tires WANLI 295/75R22.5 0414 qualified Guangzhou Zhujiang Tire Co., Ltd. Car tire PEARL RIVER 195/65R15 3914 qualified Guangzhou Zhujiang Tire Co., Ltd. Light truck tire PEARL RIVER 7.00R16LT 4314 qualified Guangzhou Zhujiang Tire Co., Ltd. Truck tires Pearl River 8.25-20 4214 qualified Guangzhou Fengli Rubber Tire Co., Ltd. Car tire WANLI 195/60R15 4314 qualified Guangzhou Fengli Rubber Tire Co., Ltd. Light truck tire WANLI 215/70R16LT 3614 qualified Guangzhou Diamond Car Tire Co., Ltd. Motorcycle tire inner tube diamond 3.00-18 Class A 08H2032F qualified Guangzhou Diamond Car Tire Co., Ltd. Motorcycle tire diamond 2.75-18 42210101 qualified Guangzhou Diamond Car Tire Co., Ltd. Motorcycle tire diamond 90/90-10 42210112 qualified Guangzhou Huanan Rubber Tire Co., Ltd. Light truck tire WANLI 7.00R16LT 2014 qualified Guangzhou Diamond Car Tire Co., Ltd. Motorcycle tire diamond 3.50-10 1214 qualified Guangzhou Zhujiang Tire Co., Ltd. Light truck tire Pearl River 7.00-16LT 2314 qualified Guangzhou Huanan Rubber Tire Co., Ltd. (Fengli) Car tire Wanli 185/60R14 4114 qualified Guangzhou wanbao group refrigerator Co. Ltd. , https://www.wanbao-refrigerator.com