... since 1991 ,we mainly supply valve bushingbracket of oil-filter assembly, front seal flange. In recent years ,we also developed other ... China.ChangChun,and mainly supplied valve bushing, bracket oil-filter assembly for vehicle-types of Golf, Jetta, and Bora. The company ... of producing 8 million valve bushings,4 million pieces of assembly and 4000 tons other Aluminum alloy die casting products. Auto ...