... specialized manufacture filter for truck and bus. At present, we have truck and bus air filter,oil filter ,diesel ... filter stock for HOWO, STEYR, STEYR KING, SHACMAN, DONGFENG, FOTON, BENZ, FAW, etc. bus stock for YUTONG ... , ZHONGTONG, GOLDEN DRAGON, HIGER, etc. it also deals in machinery, electrical ...