Active Member
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[China]
Address: Room 1803, Middle Block,Fujing Building, Fuzhong Road, Futian district, Shenzhen China 518016 New website: https://www.tongzhanpcba.com/
Contact name:NICK CHENG
TONGZHAN INDUSTRIAL LIMITED |
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Optimize Your Projects with Expertly Managed PCB Fabrication
Innovative PCB Fabrication For Unsurpassed Quality And Flexibility
Application Areas:
Our PCBs are widely used in various fields, including but not limited to:
1. Consumer electronics: mobile phones, tablets, smart home devices, etc.
2. Medical equipment: medical imaging equipment, life monitoring equipment, etc.
3. Industrial automation: industrial control systems, robots, etc.
4. Communications: communications infrastructure, network equipment, etc.
5. Automotive industry: vehicle control, entertainment systems, etc.
Printed Circuit Board Fabrication Parameters:
Name | Printed Circuit Board Fabrication | Reinforcement type | PI, FR4, steel sheet, 3M glue, the electromagnetic shielding film |
Insulation | FR4 board, aluminum substrate, copper substrate, a ceramic substrate, PI (polycumimine), PET (poly) | Maximum size | 50OMM*1000MM |
Copper foil material | Glue-free calendered copper, rubber-rolled copper, glue-based electrolytic copper | Outer line width/line spacing | 0.065MM( 3MIL) |
number | 1-12 floors | Inner line width/line spacing | 0.065MM(3MIL) |
The finished board is thick | 0.07MM AND ABOVE (TOLERANCE +5%) | Minimum solder mask width | 0.10MM |
The inner layer is thick copper | 18-7OUM (1 ounce copper = 35UM) | Minimum mask bridge width | 0.05MM |
The outer layer is thick copper | 20-14OUM (1 plate copper = 35UM) | Minimum solder mask | 0.45MM |
Solder mask | Red oil, green oil, butter, blue oil, white oil, black oil, matte black oil, yellow film covered white film, black film | Minimum aperture | MECHANICAL DRILLING 0.2MM, LASER DRILLING 0,1MM |
word | Red, green, yellow, blue, white, black silver | Impedance Tolerance | 10% of soil |
Surface treatment | Anti-oxidation (OSP), tin spraying, gold immersion, gold plating, silver plating nickel plating, gold plating finger, carbon oil | Form tolerances | +0.05MM(LASER+0.005MM) |
Special processes | Thick copper plate, impedance plate, high-frequency plate, half-hole plate, orifice plate, hollow plate, single-layer copper foil, cross-sided gold finger plate, soft and hard combination | Molding method | V-cut, CNC, die punching, laser |
Printed Circuit Board Fabrication Factory Introduction:
Tongzhan Industrial Ltd. was established in 2011 in Shenzhen,
Guangdong Province. Tongzhan Industrial Ltd. is committed to
becoming a leading one-stop EMS supplier company, providing
customers with high-quality PCB series products. Tongzhan mainly
focuses on high-speed turnkey PCB layout design and PCB assembly
services, including PCB design, manufacturing, component
procurement, PCBA design and board making, supply chain services,
functional testing, conformal paint, complete assembly, etc. Our
corporate culture is to serve customers, customers always come
first. Customer-oriented, diligent and innovative, honest, happy,
transparent, customer-centric, professional, efficient, and
win-win. Our employees are passionate. Passion for Science. Passion
for technology.
