We can supply various serial of door closer with excellent quality from 1000, 2000,3000, 4000 510, 6000, 7000, 8000 serial, Our door closer is produced according to international standards with excellent quality. The oil leaking rate 0.7 % Max. (Same as Japanese standard) , closing door speed can be adjusted, the body of the closer is made by aluminum alloy with high quality And we can produce the door closer as customer?s brand. Our door closer products have exported to many countries in worldwide. please contact with us by: Tel: 0086 23 67869528 Fax: 0086 23 67869608