Zhejiang Tianyu Furniture Co., Ltd, specializes in manufacturing all kinds of office chairs, mechanisms, backrests and other components since 1995, ISO&BIFMA passed.Having a strong background of execellent technology, several mechanisms have been awarded patents by Chinese official governments.We carry with us the work ethic, that nothing but the best will do, both in manufacture and in customer service. Currently we employ more than 500 well-trained and committed workers, with 3 branches in Anji, Wenzhou&Foshan, Tianyu is capable of producing more than 300 superior quality pieces of products a day. We own a professional strong QC team and the advanced testing equipment for office chairs to test every single item in the production. We choose the high elastic fabric mesh for backrest, 1.5mm thickness of steel for the five-star foot, supreme quality plastic for frame. All of Our products have a five year guarantee-a new one can be given to you for free if the previous one is broken within five years. Please let us know if you have any suggestions and ideas which may help us to better serve you. Wish we can do a double-win work together.