First String Enterprise is professional technique experience in screw products in Taiwan for many years. We are a professional screw manufacturer and focus on many types of screw products including drywall screw, self-drilling screw, self-tapping screw, machine screws, furniture screws, chipboard screws, roof screws, cap screws, trilobular thread screws, collated screws, bi-metal screws, drill point dies, brass and aluminium screws, and so on. Our company takes producing the need that the high-quality product satisfies customers.