Hasl & carbon printing 4 layer printed pcb circuit boards

100-9999 Units
>=10000 Units
Min. Order
100 Units
Company Information

Zhejiang Oulong Electric Co., Ltd.

CN Manufacturer, Trading Company
Response Time
Response Rate:
2 Years Paid Supplier Supplier
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Quick Details

Payment Terms: T/T
Supply Ability: 10000 Unit/Units per Week
Place of Origin: Zhejiang China
Brand Name: OULONG
Model Number: M19015
Number of Layers: 4-Layer
Base Material: FR-4
Copper Thickness: 35/35um
Board Thickness: 1.6mm
Min. Hole Size: 0.25mm
Min. Line Width: 6/6mil
Min. Line Spacing: 4/4mil
Surface Finishing: HASL &amp; Carbon printing
Product name: printed circuit boards
Packaging Detail: Vacuumn package with drying agent,every boards can add special lable according to customer requirement.

Hasl & carbon printing 4 layer printed pcb circuit boards

Product Description








 1 to 22 layers

 Max working panel area

 500  x  620 mm



 Min board thickness


 4 layer: 0.60mm

 6 layer: 1.0mm

 8 layer: 1.00mm

 10 layer: 1.20mm

 Min trace width


 Min spacing


 Min hole diameter


 Min Copper thickness in hole


 PTH size tolerance


 NPTH size tolerance


 Hole position tolerance


 Dimension tolerance


 Min solder mask dam


 Thermal shock endurance

 288 3 times in 10sec

 High Voltage endurance


 Hardness of resist ink


 Flame resistance


 Impedance control



 ISO 9001:2000; ISO 14001; IATF16949 UL

 PCB Flammability


 Solder Mask Abrasion


 Peel Strength


 NPTH hole diameter tolerance


 PTH diameter tolerance


 PTH Wall Thickness


 Min Hole Size


Company Information

Company Information

Zhejiang oulong electric co., ltd was established on 2010 , which is specialized in rigid pcb from 1 to 22 layers. Company covers an areas of 41406 square meters and building areas reach 92,000 square meters.We are based on ISO9001 quality management system to control quality management; also get certifications of ISO 14001 environmental management system and OHSAS 18001 occupation health and safety management system to all products are passed through of UL certification , whole company carries out of ISO/TS16949 and QC080000 to support quality, production, Marketing and Human Resource etc.


In 2017 our total turnover is 78 million US dollars and become the largest PCB manufacturer in Zhejiang province China.With continuous efforts of our employees, our sales network has been expanded all over the country. In early 2002, we have exported our products to Southeast Asia, North America, Korea, Russia etc. Our export value has reached 32 million of US dollars, accounting for 50% of our total sales value. In the principle of “Sincerity First, Rapid Service ” and “Science and technology is the first productivity”, we provide the best service to our customers and set up sales office in over ten middle and large cities of country.


We, all of OULONG company members, taking the opportunity, sincerely express our thanks to all customers from home and abroad for your trust and support. With the rapid development of global economy, we do hope to cooperate with all friends to make joint efforts for more brilliant future.



>>You can contact us nowworkshop




Packaging & Shipping

Packaging & Shipping 



01: Are you a factory or trading company?

Al: We are a factory, we can guarantee our price is first-hand, very cheap and competitive

02: How does your factory do regarding quality control?
A2: We carry out ISO9001 and all pcb 100% E-tested before shipment

03: When can I get the price?
A3:Usually we quote within 24 hours after we get your inquiry.

04: How could I get a sample?
A4: We need gerber file and PCB specification to prepare sample to you.you will be charged a sample price and shipment cost.

05: What is the price of shipping?
A5: Depending upon the port of delivery, prices varies.

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