Huihe Circuits is a professional high quality pcb manufacturer multilayer printed circuit boards, prototype and mass production PCB. There is a wholly-owned factory in Jiangxi, China. The plant area is 12,000 square meters. Huihe Circuits has been certified for ISO9001, IATF16949, ISO13485, OHSAS18001 and PCB products have been certified for UL, RoHS, REACH.

Number of layers: 4

Surface finish: ENIG

Base material: FR4

Outer Layer W/S: 6/4mil

Inner layer W: 21mil

Thickness: 0.4mm

Min. hole diameter: 0.2mm

Special process: impedance control+half hole

Advantages Of 4 Layer Pcb Fabrication ENIG Impedance Control Half Hole PCB Electric Circuit Board

Own lamination process to convenient production for Multilayer 4 layer pcb and shorten the lead time.

Jiangxi facility is environmental-friendly approved by the government .

Famous raw materials brand, Kingboard, Shengyi, ITEQ, Taiyo, Guangxin.

As an excellent 4 layer pcb manufacturer, we provide many high quality products.

Highly automated production line with AIO Optical Scanning, Electroplating Automatic Line, High-speed flying probe test machines and inkjet printer.

Engineers with more than 15 years of experience

Customers located in more than 20 countries, the common choice of 500 high-end companies.

Perfect quality inspection system

Professional R&D team can make all kinds of special boards.

Sales office in Shenzhen and own 12,000sqm factory in Jiangxi.

Establish an e-commerce system to reduce transaction costs and increase market response speed.

Packing And Delivery Of 4 Layer ENIG Impedance Control Half Hole PCB Electric Circuit Board