What is a copper clad laminate?

Copper plate, also known as copper plate laminate, is a kind of plate made of electronic glass fiber cloth or synthetic fiber cloth as reinforcement, impregnated with resin, covered with copper foil on one side or both sides and hot pressed. Generally speaking, copper plates can connect, insulate and support printed circuit boards. Copper plate concept stocks refer to the stocks of listed companies engaged in copper plate production.

What are the common concept stocks of copper clad laminate?

1. Yi Sheng Science and Technology (600 183): The company is mainly engaged in the manufacture and sales of copper clad laminate, with the sales scale ranking second in the world, and it is one of the companies with complete varieties in the global copper clad laminate industry;

2. Hong Sheng Science and Technology (300476): The company's main business is R&D, production and sales of high-density printed circuit boards;

3. Nord (600 1 10): The company is mainly engaged in the production and sales of lithium-ion batteries, and it is one of the largest lithium copper foil manufacturers in China, ranking first in market share;

4. Ultrasonic Electronics (000823): The company is mainly engaged in the research and development and production of printed circuit boards.