Product Description

Longhai circuitis a professional PCB circuit board manufacturing and high-tech enterprises, We can provide you a range of PCB design,quick-turn PCB, copied plate, changed boards, multilayer PCBs, blind and buried vias PCB, HDI PCB, high frequency PCBs. 

We have established ourself as a premier provider of low cost Printed Circuit solutions.

It is welcome the opportunity to be of service to you, and your company.

Every area of Longhai circuit is carefully managed for your ultimate cost reduction without sacrificing the product quality.

If you have any questions or concerns, please do not hesitate to contact us, or send us * *@********************lang="EN-US" style= "font-family: Arial; color: black; font-size: 9pt;">1. Layer count: ***8 layer.
2. Board thickness: 0.1—*6.5MM 3. Impedance control:+/*5%
4. Min line width/space of outer layer 4/4mil
5. Min line width/space of inner layer : 3/3mil
6. Max size :*4”x*0”
7. Min hole dia. : 0.2mm (normal) , 0.**5mm(laser drilling)
8. Toleranceof hole dia. : +/*2 mil
9. Max copper thickness : 8 oz
*0. Base Materials :CEM1, FR1, FR4, Rogers, Arlon, Taconic etc.
*1.Surface finishing : HAL, HAL Lead free,Immersion Gold,Immersion silver etc .   Furthermore, Our company has obtained the UL, ISO***2, ISO****0, and RoHS certificate. If you wanna know more about our company or products, please feel free to contact me