A professional Specialty Screw manufacturer- Koshin has more than 30 years of experience in Special Screws designing and manufacturing. Our ISO 9001 certified manufacturing facility is among the most modern and highly automated in the industry. In the past years of efforts, we have become one of the premier manufacturers and earned an industry-wide reputation for quality in manufacturing. As a well-known OEM manufacturer of Specialty screws in Taiwan, we always strive to continually improve on product quality and assure that each product exceeds the performance and reliability standards expected by customers. If you are looking for a reliable and trustworthy Specialty Screw supplier, you could count on Koshin. Please feel free to contact us with any question you may have.