Shenzhen Zweig photoelectric LED display manufacturer, LED full color suppliers. Products have been widely used in: shops, shopping malls, schools, hospitals, airports, railway stations, banks, factories, stock exchange, stadium, intelligent transportation, media advertising, entertainment, customs, courts, fire, talent market, electricity networks, business District, telecommunications, industrial and commercial tax, ports, almost all sectors and industries. Regular factory, formal contracts, quality assurance, the price advantage, the majority of users; a prime candidate for your cooperation. Pledge: All product of 3 pack service, 2-year warranty, replacement within 30 days, a week or return (limited to product quality problems).