Since th foundation, Keystone has been progressing with the continuous management renovations and technical developments based on quality-gaurantee-system to provide the best of products with the best of technology as a general manufacturing company.  Pursuing to profit of buyer' in domestric and overseas, through automobile parts and general industrial parts, keystone will do our best to expand the international trade business and national economic growth in the world.  To provide the high quality products and service to the client's satisfaction, Keystone will focus on technology renovation and new product develoment while investing boldly to achieve a high level of human and equipment resources to become a total manufacturer leading the 21st century. We will put our offort as one body to achieve this goal. We ask for encouragement and support.