Yuhuan Luan Machinery Co., Ltd, We specialize in the Truck Slack Adjuster for many years, We supply Automatic slack adjuster and Manual slack adjuster.Applicable for Commercial Truck, Trailer.and product exports the Europe, America, Southeast Asia, and other places, gets the customer favourable comment and support.We can provide to High quality, competion price, prompt delivery.We also produce according to customers' requirementshope to find a way to cooperate with you.