What brand of tire is opal?

Opals is the English name of Gem brand tire, which is a product of Shandong Fangxing Rubber Co., Ltd. The tire is an annular elastic rubber product assembled on various vehicles or machinery and rolled. 1845, RwThomson, a Scottish-born civil engineer, invented pneumatic tires and obtained a patent from the British government in the name of improving the wheels of carriages and other vehicles. The first pneumatic tire was born in February 10 of the same year. Tires are usually installed on metal rims, which can support the car body, buffer external shocks, achieve contact with the road surface and ensure the driving performance of the vehicle.