Advertising Accessories in stock About Delivery Delivery Time: Via Air: Generally 3-5 working days Via Express: Generally 3-7 working days. Via China Post Air Mail: Generally 15-25 working days Via Sea: According to the order. Founded in 1993, Hangzhou YD Sign is a manufacturer of outdoor signage, 3d printing filament and equipment and advertising accessories (mainly contains controller and power supply) integrating R&D, production, sales and service. The company has completely independent intellectual property rights and is a national high-tech enterprise in key areas.Advertising Accessories in stock website:http://www.ydsign.com/advertising-accessories/