Shenzhen Yilong Photoelcetricity Display Technology Co., Ltd. is a high and new technology enterprise, which is dedicated to manufacturing electronic display screen, integrating in R&D, software support, construction and installation, sales and after-sales services.At present we have various specifications of products including single-color screen for indoors and outdoors, bicolor multimedia screen for indoors and outdoors, true-color multimedia screen for indoors and outdoors, and other series products. Our display screens of designs and manufacturing adopt famous brand luminescent wafers and components of import, which ensures the quality of products is more excellent. The application of grayscale control, static drive, modularization design and other advanced technology ensures the technology of our display screen stands in the leading level in the same industries. We use the advanced manufacturing and processing craftwork that insures the quality of products is more reliable.Shenzhen Yilong Photoelcetricity Display Technology Co., Ltd. takes technology as basis, market as guide, and provides all-round good quality services including system design, software development, system installation, data services, application training and so on. We insist the aim of “ credit first, quality first, create brand and serve society”, and sincerely provide good quality products for customers. Business response notes Delivery:We are responsible for product designing,manufacturing,installinga and debugging.Delivery date :Indoor LED display producing cycle:3-20 days.Outdoor LED display producing cycle:20-36days Delivery date is decided by coustomer.we will do our best to meet customer’s requirement.Technology support and after service:Befor service:YILONG provides full technology service,including communicating with designing company and construction company for user.LED using service:our technicians will help users using operation programme until users can operate our product separately.any cause of failing to use our products ,our technicians will depart to users’location within 24hours ,we guarantee rapair the product and put it into using within 24 hours .All display have passes 72-hour’s aging test before sales.we provide one yesr free-charge repair service.long life repair service only charges manual and material fees.Quality assurance:We have a high quality repair team .our repair team can solve out failure of using our products.Our technicians will check out the using condition of our products termly.Updete service:We will update our sofeware with free charge .User training:we provide free 2-4user’ training for each customer.