United America Fastener’s factory Jiashan united Oasis fastener co．，Itd was established in 1998，is a professional manufacture specializing in various kinds of screws．such as drywall screws,Self-drilling screws， chipboard screws，deck screws，woodworking screws，concrete screws， Cement board screws，collated screws with output reaching 10000tons． United America Fastener Inc be Located 12207 Los Nietos road，Ste D Santa Fe Springs，CA90670-6135．The main business is distribute SFAST screws and fstenener. We also accept OEM order according customer need