Shenyang new guangtong Tri advertising co., Ltd., formerly known as Shenyang guangtong international advertising products co., Ltd. (Taiwan)., is China's first professional Flip three manufacturers of advertising equipment manufacturer.89 year the plant 92 three flip design patent (patent number: CN92216114.3), 93 continued exports. in more than 20 years of product development and production practice, our company has accumulated rich experience in design, production and installation. each Tri are customized for customers, products all over the country, acclaimed in the industry. http://www.xgtsmf.com。