Wenzhou Yongyu Filter Co.,Ltd is one of then main manufactures which is specialized in producing various types of auto filter parts (seat of filter) We have produced more than 150 types of auto filter seat mainlyproducts by "Yongyu" brand filter (seat of filter), which is applied to various types of auto, generator unit, engineering machines. Our factory also can have various different filter seats to order. In order to assure the quality of our products, our factory has firstly passed the certification of ISO9001 international quality system and put it into practice strictly according to the quality requirement. After the engrave endeavor, our products achieve the favorable comment of our new and old customers.