It is reported that more than 4.4 million sets of tire production expanded in ShaanXi Yanchang Petroleum Group Rubber Co.Ltd in 2017.　
　　The company produced 1.627 million sets of all-steel tires and 2.8069 million sets of  semi-steel tires last year.
　　It is understood that Yanchang Rubber was established in 2008, invested 4.85 billion yuan by Shaanxi Yanchang Petroleum, and the main product is radial tire.
　　The company plans to produce 20 million radial tires a year, including 4 million sets of all-steel tires and 16 million sets of semi-steel tires.
　　At present, the first phase project with an annual capacity of 7 million sets tires has been completed.
The company owns a number of independent tire brands, such as "Duraturn", "Royal Transportation", "Goodyear" and " Chenshi".
　　Among them, " Duraturn " is a famous trademark of shaanxi province, and its all steel tire products have been rated as the famous brand products of shaanxi province and the characteristic products of Xianyang city.