Tianjin Chaotuo Imp. & Exp. Co., Ltd. was founded in 2003, with our own factory specialized in manufacturing screws and nails. Our factory is located in Wangwenzhuang Industrial Park in Tianjin City, only 60 kilometers from Tianjin Port, which is one of the largest base of screws and nails in China. Our factory covers an area of 20,000sqm, with more than 100 sets of machines for screws and nails from Taiwan. Our products mainly include drywall screws, self-drilling screws, self-tapping ...