PCB Assembly is a process that requires knowledge not just of PCB components and assembly but also of printed circuit board design, PCB fabrication and a strong understanding of the final product. Circuit board assembly is just one piece of the puzzle to delivering the perfect product the first time.
San Francisco Circuits is a one-stop solution for all circuit board services so we are often entrenched with the PCB production process from design to assembly. Through our strong network of well-proven circuit assembly and manufacturing partners, we can provide the most advanced and nearly limitless capabilities for your prototype or production PCB application. Save yourself the trouble that comes with the procurement process and dealing with multiple components vendors. Our experts will find you the best parts for your final product.
PCB Assembly Services:
Quick-turn prototype assembly
Partial turn-key assembly
RoHS compliant lead-free assembly
Final box-build and packaging
PCB Assembly Process
Drilling-----Exposure-----Plating-----Etaching & Stripping-----Punching-----Electrical Testing-----SMT-----Wave Soldering-----Assembling-----ICT-----Function Testing-----Temperature & Humidity Testing
X-Ray (2-D and 3-D)
BGA X-Ray Inspection
AOI Testing (Automated Optical Inspection)
ICT Testing (In-Circuit Testing)
Functional Testing (at the board & system level)
Surface Mount Technology / Parts (SMT Assembly)
Through-Hole Device / Parts (THD)
Mixed Parts: SMT & THD assembly
BGA / Micro BGA / uBGA
QFN, POP & lead-less chips
2800 pin-count BGA
0201 / 1005 passive components
0.3 / 0.4 Pitch
Flip-chip under-filled CCGA
BGA Interposer / Stack-up
Payment & Shipping Terms:
custom pcb assembly
SMD 2835 / 3014 / 3528 LED PCB Assembly , LED Printed Circuit Board for LED Bulb
Professional PCB Manufacturing
LED Light sources: 2835/3014/3528/5050/5630/5730/1W high power
Luminous flux output: it is depend on customized
LED light: LED tube,LED bulb,LED ceiling light,LED downlight,LED panel light and etc.
All of the parameters can be customized!
PCB Layer Type
Single side,Double side
Max. Working Panel Size
Min. Working Panel Size
AL Substrate Thickness
Min. Conductor width
Min. Conductor spacing
Min. Drilling hole size
Plate Thickness Tolerance
Finished Panel Tolerance
Hole Dia Tolerance
Hole Position Tolerance
Finished Copper Thickness
Etching Under Cut
PTH&Panel Plating Uniformity
Eing/Flash Gold Thickness
Solder Mask Thickness
Min. Solder Mask Bridge
White/Black(depend on your requirements)
AC 2000V,DC 1500~4000
Shenzhen JianHongda PCB Technology Limited,was founded in June 2009,as a professional PCB assembly supplier, we have excellent teams which focus on product development & design, quality control & inspection and company management. In order to supply the best products and services, we have built a modren quality management system.
Flow chart of double-face multi-layer board
Professional PCB Assembly:
Professional Surface-mounting and Through-hole soldering Technology.
Various sizes like 1206,0805,0603 components SMT technology.
ICT(In Circuit Test),FCT(Functional Circuit Test) technology.
PCB Assembly With UL,CE,FCC,Rohs Approval.
Nitrogen gas reflow soldering technology for SMT.
High Standard SMT&Solder Assembly Line.
High density interconnected board placement technology capacity.
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Our Quality Requirement:
We are now implementing international quality system includes: UL(E465880) ,TS16949 ,ISO14001, ISO9001
on-time delivery:≥98% ;
double layer board acceptability:≥97%
four-layer board acceptability:≥95%
six-layer board acceptability:≥92%
eight-layer board acceptability:≥88%
ten-layer board acceptability:≥85%
customer satisfaction :≥98%
complaint rate/rejected rate:≤ 1%
Our Environment Policy:
We committed to:
Comply with environmental regulations
Prevent any environmental accidents
Prevent pollution and reduce wastage
Minimize the consumption of resources
Education our employee in the awareness of the environmental protection
Set up environmental Management system and strengthen environment policy
RoHS compliance and Lead Free
Samples: 5-7 days
Mass Production: 7-15 days(depend on the quantity)
Packing and Shipment
Vacuum package in carton
JHD PCB in the professional lighting fair
Our UL(E465880)/Rohs standards insure quality assemblies from start to finish. Whether it's a simple custom product or a complex turnkey production run, JHD PCB will adhere to the highest quality standards.
JHD PCB offers the latest in assembly capabilities and qualifications insuring that quality is built into every product we produce.
When it comes to your build you want a partner you can depend on. Our management team has over 8years of combined industry knowledge. Our engineering team has over 5 years experience.
Protecting your interests
Protecting your Intellectual Property is job one! Our staff of trained professionals are all working under a strict confidentiality contract and treat your important documentation as they would their own.
JHD PCB prides ourselves on our ability to custom tailor programs around our customers' needs. JHD PCB takes time to listen to your unique business needs and then set out to surpass them.
Q: What files do you use in PCB fabrication?
A: Gerber or Eagle, BOM listing, PNP and Components Position
Q:Is it possible you could offer sample?
A: Yes, we can custom you sample to test before mass production
Q: When will I get the quotation after sent Gerber, BOM and test procedure?
A: Within 6 hours for PCB quotation and around 24 hours for PCB quotation.
Q: How can I know the process of my PCB production?
A: 5-7days for PCB production and components purchasing, and 7 days for PCB assembly and Testing
Q: How can I make sure the quality of my PCB?
A: We ensure that each piece of PCB products work well before shipping. We'll test all of them according to your test procedure. Also if there are any defect items during the shipping, we also can be free to repair for you.
a. If you want to purchase our PCB, you should provide a formal Gerber files or *.pcb file or something like that.
b. If you want to purchase by large quantity, please ask Mr.Hank.
c. If you want to purchase the PCBA, you should provide the Gerber files, *.pcb file , BOM list etc.
d. If you want to reproduce some exsited PCB board for you, please first provide very clear pictures , then if you are satisfied with our estimate quotation, then send us the real thing, so we can clone it for you.
e. If none of the above can help you, please contact us directly by Skype, QQ or Email. We are very glad to answer the questions you ask, your satisfaction is our final destination.
JHD PCB would like to be your reliable partner in near future!
Contact Person: Miss. aaa
Tel: 86 755 8546321