Guoxin Metal Plastic Company is a high quality manufacturer of stainless self-drilling screws (SUS 302/304/410). For stable quality we only use wire rod and machines from Taiwan to produce top quality screws in China. Compare to others our drilling speed is fast and have sharp drill point. Our screws can drill through metal steel panel and even stainless steel panel. We assure professional quality, excellent customer service and competitive price for our customers.