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Xinchanghong is an international leading printed circuit board company. We are committed to providing customers with expanded manufacturing capacity to meet their needs for various quality printed circuit boards. The standard production capacity of Xinchanghong is listed below. If you need items not listed, please contact Xinchanghong, so that we can have the opportunity to meet your personal needs. Xinchanghong provides advanced PCB manufacturing services that meet the requirements of all industries, including: telecommunications; medical care; Military and national defense; Computer and consumer electronics; Automobile; LED lighting, etc.

PCB function
project	Ability
Monthly/Capacity	25000 square meters/month
Layer	Floors 1-14
Plate material	FR-4 Tg130 / FR-4 tg140 / FR-4 Tg150 / FR-4 Tg170 / FR-4 Tg180 / FR-4 CTI175 / FR-4 CTI300
Surface treatment	HASL/RoHS HASL/gold dipping/gold plating/gold finger/OSP
Color of welding surface	Green/Blue/Red/Black/Yellow/White
Silk screen color	White, black, yellow
Tolerance	Plate thickness tolerance/plate thickness≤ 1.0mm:/-0.1mm/plate thickness 1.0-2.0mm:/- 10%/plate thickness> 2.0mm： /-8%
	PTH diameter tolerance:/-0.075mm/NPTH diameter tolerance:/-0.05mm/hole location tolerance:/-0.075mm
	Profile tolerance/length≤ 100mm:/-0.1mm/Length 100-300mm:/-0.15mm/Length> 300 mm:/- 0.2 mm
	Tolerance of V-shaped cutting part:/-0.1mm
Technical specifications	Minimum line width/spacing: 0.075/0.075mm
	Minimum PTH copper thickness: 20um
	Minimum hole diameter: 0.2mm
	Minimum backing ring: 0.1mm
	UL certified maximum copper thickness: 6oz (including multi-layer, double-layer and single-layer plates)
	Maximum plate size: 560 * 410mm
	Plate thickness/double-sided plate: 0.2-7.0mm/multilayer plate: 0.4-7.0mm
	Welding mask bridge:>0.08mm
	Aspect ratio: 8:1
	Through hole plugging capacity: 0.2-0.6mm
	Plate bow and torsion:≤ 0.75%
	Au, Ni, Hasl Thickness: 1, Gold Immersion: Au 1-4U&rdquo/ 2. Golden Finger: Au 1-50U&rdquo/ 3. Gold plating: Au 1-5U&rdquo/ 4. Ni thickness: 100-200U&rdquo/ 5. Hasl thickness: 1-50um/6, OSP thickness: 0.3-0.5um