Drywall Screw Manufacturers of Kingfuda

Drywall Screw Manufacturers of Kingfuda has some features such as standard & Non-standard screw (customize), screw diameter range: #4~1/2”(2.9mm~12mm), screw length range: 3/8”~16”(9mm~400mm)

http://www.taiwantrade.com.tw/EP/kingfuda/products-detail/en_US/735209/Drywall_Screw