Number of layers: 4 Surface finish: ENIG Base material: FR4 Outer Layer W/S: 6/3.5mil Inner layer W/S: 6/4mil Thickness: 0.8mm Min. hole diameter: 0.28mm Special process: impedance control+half hole Advantages Of 4 Layer ENIG Impedance Control Half Hole Fr4 PCB Own lamination process to convenient production for Multilayer PCB and shorten the lead time. Jiangxi facility is environmental-friendly approved by the government . Famous raw materials brand, Kingboard, Shengyi, ITEQ, Taiyo, Guangxin. 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. Now the 4 layer pcb cost is reasonable, if you want to buy cheap 4 layer pcb, please contact us. As a pcb supplier, we can provide different types of pcb board for sale, if you are interested, please leave us a message.
