BELL HARDWARE PRODUCT LIMITED is a professinal supplier of self drilling screws for metal construction industry.We established in 2007 yeas, locates in Ningbo, Zhejiang province, which is a developed area of China.With many years developing and exporting, we have rich experience in this field. We export our products from China to many areas, such as Eastern Europe, South Smerica, Africa, and Asia etc.Specialize in screws, including roofing screw, self drilling screw for metal, self tapping screws for wood. The quality products with competitve price and effcient convenience service are the goal we work and the key we succeed.Good quality, better service!