Tian jin city kai nuo industrial Co., Ltd. (tjbc) is a big private company which produces professional clamps in China. Tjbc is founded in 2001, covering 180, 000m2 of floor area, with over 1200 employees, fixed asset RMB 5, 5000 million. We have two branches, one is the manufacturer which produces hose clamp professionally, the other is rubber factory. There are three series of products in my factory: All kinds of hose clamp, no-hub coupling and rubber products. The volume of business is more than 1 billion.