Qingzhou Yass Machinery Co,.Ltd was established in 1995.The main business is domestic and overseas auto parts production and sales.The factory covers an area of 7000 square meters,have 105 employees,engaged in scientific research personnel 35 people.The company is process with a product researchproduction and sales, maintenance service, part supply,import and export trade five big function in the integration of engineering machinery Co,.Ltd .The factory is the leaf spring production professional factory,there are more than 20 years of production experience special and general equipment more than 160unit.Equipment level has reached the same advanced level.At the same time product brand at home and abroad with high visibility.