Number of layers: 8 Surface finish: ENIG Base material: FR4 Outer Layer W/S: 4/3mil Inner layer W/S: 5/4mil Thickness: 1.6mm Min. hole diameter: 0.2mm Special process: half hole Advantages Of 8 Layer ENIG Half Hole Custom Made 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. We can provide kinds of custom made pcb boards for sale, and the cost of custom pcb is affordable, if you want to buy custom pcb, please leave us a message. As a pcb factory, we will do our best to meet all the needs of customers. More types of pcb board, please visit our website.