ZHEJIANG WANZHENG ELECTRONICS SCIENCE AND TECHNOLOGY CO, .LTD located in Jiaxing City , Zhengjiang, China, near to Shanghai , it holds own area, equipments and employees. detail information as follows: Material: FR-4, CEM-3, Copper base, Aluminum base, PTFE, Rogers, FR-1, high Temperature material, iron base, porcelain base Layers: 1-16 Finished Surface: HASL, OSP, Gold Finger, Immersion Gold, gold plating; Silver-plating etc. Min.Line/space: 0.1/0.1mm Min. hole: 0.2mm Solder Mask (colors): green, blue, red, black Min/Max Final Thickness Board: 0.3mm--3.0mm Minimum SMT Pitch: 0.2mm Silkscreen (colors): black, yellow, white Min Finished Hole Size/for Thickness Board: 0.2mm/1.4mm(Min Finished Hole Size:0.2mm ) Contour type: CNC rout, Punch, V-score Via hole type: buried hole, blind hole, through hole If you need more information , please join us . QQ420003667</p>