All of our products obtained ISO9001-2000,GB/T9001-2000 and based on certificate of CE,ROSH, SGS. Have International Quality System Standard Authentication. Through many years' hard work and efforts, we now have our outstanding R&D Department, QC Department, Sales Department and management teams to serve all over the world. The thing we do all the way is making progress both in quality and service. We are able to offer 24 hours to solve all after-sales problems from our customers.