about us ico

manufacturer focusing on LED display and LED lighting.

As the wholly owned subsidiary of Beijing Chontdo Optoelectronics, SHENZHEN CRTOP CO., Ltd is focused on overseas marketing and selling of LED display products, leverages the domestic direct sales advantage of Beijing Chonto and the overseas distribution advantage of CRTOP team. Totally improve the competitive strength of Beijing Chonto’s LED business with wide products range and rich experience. We insist on providing premium pre-sales, in-sales and after sales services to our clients, aiming to be your professional LED overall application solution supplier and win-win partner.


  • How to wire the LED display?

        The first step is to select the cross-sectional area (thickness) of the wire according to the working current. Also according to the national standard, the conventional LED display power supply we use is 200W or 300W, and the input current is generally 20-25A, so the main wire conne...

  • Some knowledge points of led display, the manufacturer of small spacing led display tells you

        The manufacturer of small spacing led display screen believes that in the security control center, the dispatching center is its main core, and led display screen is the leading link of human-computer interaction of the whole dispatching system. Personnel scheduling and planning dec...