1. Established in 1999, ALT is located in Baoying, Jiangsu, China. 2. ALT is certified with ISO/TS 16949, specialized in the research, design, manufacturing of a broad range of auto tensioner. 3. We are proud to be able to offer you an ever-growing and complete range of products with more than 600 tensioner items. 4. ALT also keeps strategic alliance in key global markets to further enhance customer service. We are continuously engaged in developing the worldwide OE Project.5. ALT has been certificated in accordance with automotive standard ISO/TS 16949 in 2007.6. Along with the concept Meet and exceed customers requests with excellent manufacturing!,