... with best services! 1. Automatic Slack adjuster manufacturer. 2.our slack adjusters cover, such as meritor series ... MAN, BENZ, RENAULT ,DAF, KAMAZ etc.3. if you want to buy slack adjusters , we are your best ... slack adjusters, trailer slack adjusters, automatic slack adjusters, automatic brake adjusters, slack adjusters, brake adjusters, heavy duty vehicle slack adjustershaldex automatic slack adjuster ...