response in time, solve problems as soon as possible and ensure the use.
2) Service period
In the Maintenance period of the LED screen body, free of all maintenance charges; After Maintenance period, only charge the material costs fees free of manual work fees.
3) Service scope
If the users find any problem that cannot be solved, please contact with our company, we can response in 24 hours. In order to shorten the maintenance time, Our Company will deploy some spare parts such as power and chips etc.
Shenzhen NJW opto electronic Technology Co., Ltd. which is Headquartered in Shenzhen city, China, It is a high-tech enterprise which is engaged in R&D, production, sales and services of LED display, LED lightings and LED decoration products, it is committed to providing customers with high quality LED products and turnkey system solutions.
Njw has a large number of experienced and outstanding professional technical and management talents, and a branch of the outstanding sales ...