Haiyan Oulai Hardware Technology Co., Ltd.

Our company specializes in producing all kinds of carbon steel fasteners. Our product line include drywall screws, hex washer self-drilling screw, Roofing screws, self-tapping screws, chipboard screws and different kind of screws. We do these products over 10 years. I believe you have been looking for ways to reduce costs and strength of suppliers.

Pls visit our website http://hyoulai.en.made-in-china.com/ for more info