Open a new journey: the United States letter analysis into a new member of the Shenzhen Plastic Association, won the honorary award!
2018.01.16On the afternoon of November 16, the first session of the General Assembly and the general election of Shenzhen Plastic Raw Materials Association was held at the Polaroid Hotel. More than 80 member units and over 140 delegates attended the event.
Analysis of LED Light Beads Parallel Circuit
2018.01.16LED lamp beads actually used in series or parallel connection method, the main circuit should be based on the drive power supply and the requirements of the decision.