Grand Decoration Co., Ltd is manufacturer of metal ceiling and air ventilation products since 2010. Our products range includes different kinds of metal ceiling and air ventilation and related parts. All our products have a high reputation and hot market in Europe, North America, Australia, Middle East and some Asia countries . We have over 20000 square meters production area . Our factory have been ISO 9001,CE,RoHS,EMC certified. We have strong R&D staffs and quality control team who are professional in the areas of Ventilation for many years.Grand Decoration , keeps air fresh !