For B-type Sprockets, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our B-type Sprockets has been well received by many customers and enjoyed a good reputation in many countries. Hangzhou Ocean Industry co.,Ltd B-type Sprockets have characteristic design & practical performance & competitive price, for more information on the B-type Sprockets, please feel free to contact us.