Tianjin Sweet Industrial Equipment Co., Ltd. -"Sweet" is a company who specializes in making tyre bladders in China with investment of 2 billion. The company is located in harbor economic zone, Binhai New district of Tianjin city, covering an area of 50,000 square meters. Our products include more than 200 specifications, covering sorts of tyre curing bladders,air spring cuirng bladder, flexible metal tubes and different kinds of swivel