LONGHAI has developed into a reputable seller in PCB area since established in 1996. We believe in professionalism, flexibility and passion in providing the best value-added services tailored for our customer needs.
We always provide fastest service to our customers. We can make quotation within two hours and can send out engineer clarification sheet in four hours. We can make shipment in 24 hours for double layers and in 72 hours for 4-6 multilayer projects.
We can provide high and stable quality products according to UL and ROHS requirements .All products have been produced and audited according to IPC standards II if not special requirements.
We can provide a wide range of printed circuit board with different technologies :
Rigid, flexible, rigid-flexible
Heavy copper thickness up 6oz.
Mechanical blind via and buried- via, HDI.
Material types include CEM-1, CEM-3, FR-4, FR-4 High TG, Polymide, Aluminum based, Teflon, Rogers, etc.
Surface finishing: HAL/LF HAL, Immersion gold, Chemical gold, SOP, etc.

Please send me your PCB files in gerber file, .pcb or .pcbdoc file
We take care of all your concerns in quality.All boards will be 100% sorted not only by QC but also by QA.We will also do all kinds of reliability tests such as measuring dimensions and hole sizes through Programmer, measuring copper thickness and PP thickness through microsections, measuring Ni//Au and Tin thickness through X-rayer. All such reports can be submitted to you with shipment.
We are looking forward to be your partners in PCB area.