PERFECT use double copper layer PCB, which has good electrical conductivity, good thermal conductivity and good heat dissipation. Discrimination method: look at the texture (Double layer PCB can not see the circuit board texture on the back; Single layer PCB can clearly see the circuit board texture on the back)
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They are all manufactured according to the strictest international standards. Our products have received favor from both domestic and foreign markets.
They are now widely exporting to 200 countries.