Beijing volcano Dragon Advertising Co., Ltd. has 17 years of media focus on the design, manufacture, installation, maintenance and integration of advertising production companies. My company (Long volcano) and to ensure that the customer Warranty 3 years. LED Crystal Light Box is the use of a light guide plate design, design principles LED crystal word from our daily lives notebook LCD screen. LED Crystal Light Box using spectral theory and laser engraving or digital printing technology, and made at a constant temperature, humidity, dust-free environment conditions. LED Crystal Light Box with ultra-thin super-bright, optical uniformity, energy saving and environmental protection, no dark areas, installation and maintenance simple. LED Crystal Light Box electricity consumption and electricity consumption compared to traditional light box to save more than 80%. Dragon advertising media Ltd. Beijing volcanic products of uniform illumination light box comfort, greatly enhance the publicity shop, a traditional fluorescent tube light boxes means a row, the screen will appear bright and dark uneven, there are shadows, prone to phenomena such as ribs rather slim light box is not. Slim light box installation and maintenance easy making factory, replace screen is more simple, fast and light boxes, thin light boxes generally within five minutes on their own to replace the screen, slim light box lamp uses less production and processing, saving the lamp and ballast for repair costs. For the user to reduce the use of a lot of overhead. Slim light boxes companies appearance, slim light box thickness of less than 3 cm, slim light box and light guide the use of advanced design, ensuring that the picture is not generating heat lamps and yellow. Beijing volcano Dragon advertising media Ltd. products portfolio processing | Volcanic Dragon (certified) | Lightbox Ltd. provided by the Beijing media advertising volcano. Beijing volcano Dragon advertising media Ltd. (www.156bd.com) is an industry leader in Beijing's Chaoyang District, advertising services, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Long volcanic leadership with the staff warmly welcome all inquiries negotiations to create a better future volcanic dragon.