How to judge a good PCB with LED supplier?

There were many PCB with LED manufacturers in China.
But not all of them Guarantee 100% E-test for your MCPCB board.
How to judge a good PCB with LED supplier?
What is the judge rule of it?
This post Allen will discuss the Advantage of PCB with LED.
To help more oversea MCPCB purchase to know the right MCPCB board.

Quickly Heat Dissipation

This feature is the biggest problem with Thermal PCB with LED product.
We have introduced the Thermal PCB conductivity parameter post, if you want to learn more info, please mail to us.

RoHS and UL approval

The standard of MCPCB is very important.
Most certifications have proven you purchased MCPCB is approval local law.
If just choose MCPCB maker by price, some little trade companies did have any MCPCB certifications.
How to judge a good PCB with LED supplier?