BEIJING LEAD-TOP INTERNATIONAL FAIR CO., LTD.(Lead-Top) is a comprehensive consulting company for Global Glass and Fenestration Industry. Lead-Top operates all the global international glass and fenestration exhibitions, and provides all-round and extended services for international glass and fenestration exhibition exhibitors and visitors. Lead-Top strives to become the best exhibition service provider for all Chinese glass and fenestration enterprises.. Our service, your success!