... ripe and stabilize formula for tyre , engage high-level engineer who have 15 yesrs tyre making experience;tyre have good wear resistance,aging ... , self-sufficiency manufacture ZINC OXIDE and SULFUR POWDER supply to tyre ormacom pleteset to use ,both reduce production cost and ensure ... , (Qingdao Jinyuleng Industry CO.,LTD) mini-tiller ,Micro tillage machine tire ,wheel,4.00-8 4.00-10 450-10 ,4PR 6PR ...