Shandong Dawang Jintai Group is a large, comprehensive and diversified manufacturing company in china. There are 4000 staffs, including 1000 engineering technicians.All supply products are being directly manufactured by our company, such as Tire Bladder, Tire Mold, Butyl Inner Tube, Gear Reducer, Pumping Units, Sand Resin Casting Products and so on. They are all have good quality and reasonable price.We have the most advance produce and testing equipments . If you are in the market for the above produces, please contact me and we will send the sample to you. We always believe in establishing long term and mutually beneficial business relationship with our customers.