Suntop Electronics Technology
PCB & Assembly，Electronic Manufacturing Service
ISO & UL Certified
PCB + Components + PCB Assembly + Box Build Assembly Services
Delivering precision-engineered PCB assembly solutions with advanced SMT capabilities, industry-leading quality control, and rapid prototyping services.
NO MOQ ANY Quantity Available
Prototype, Small to Medium, Mass Production
Quick Response Within 24 hours
Professional Engineering Service
Factory Price, Help to Save Cost
First Sample Confirmation before Production
Photoes & Videos Provided to Confirm before Shipping
Strong Cooperated Forwarder Agent to Save Shipping Cost
High Quality
PCB 100% E-test
PCBA AOI, X-Ray Test
100% Original Components as per BOM list
What We Do?
PCB Assembly
SMT Assembly
DIP Assembly
Hand Solder Assembly / Cable Soldering
AOI & X-Ray Test
PCB Manufacturing
- FR-4 / Aluminum Base / Copper Base PCB
- 1~20 layers PCB
- Professional Engineering Support
Electronic Manufacturing Service
- Chip Programming
- Functional Test
- Cable Soldering
- Final Box Build Assembly
- Customized Packing
Capabilities
Comprehensive Electronics Manufacturing Solutions
PCB Assembly Quality Control
DFM (Design For Manufacture) before production
Electrical Test (E-test)
AOI (Automated Optical Inspection)
ICT (In-circuit Test)
FCT (Functional Test)
X-ray inspection
Bespoke test as per customer’s requirement
Supported Assembly Types
Surface Mount (SMT)
Thru-hole
Dual In-line Package(DIP)
Mixed Technology (SMT/Thru-hole)
Single or double sided Rigid placement
Flex PCB and Rigid-flex PCB Assembly
High pin count press fit capable
PCB Board Dimensions Available
Largest size: 20” x 28″
Smallest size: 0.2″ x 0.2″
Lead Time
Quick turn as customer’s requirement
Prototype: 1 week
Mass production: 2-4 weeks
Volume
Prototype
No minimum order quantity(MOQ)
Small batch production
Mass production
Service Capabilities
Mechanical Assembly
Silicone Rubber Assembly
Metal Parts Assembly
Electromechanical Assembly
Box Build Assembly
IC Programming
Conformal coating
Cable and Wire Harness Assembly
IPC-A-610 Class 3 available
Repair/Rework services
Parts Sourcing
Partial Turnke
Kitted/Consigned
Turnkey PCB Components sourcing
Supported SMT components packaging types
Cut Tape
Full Reel
Partial Reel
Tray
Tube (preferred a whole tube)
Necessary Files for PCB assembly
Assembly Drawings
Bill Of Materials
Gerber File
NC Drill File
Other fabrication and assembly drawing
Pick and Place File
PCB Types
Rigid, Flex and Rigid-Flex
Blind / Buried Vias, Micro Vias, Any-Layer HDI
Aluminum based, Copper based
IC Substrate PCB
Impedance Control
Via In Pad, Conductive & Non Conductive
Microwave & RF
Backplane, back drill
Heavy Copper 20 oz
Supported Types of PCB Material
Rigid: Standard FR4, High TG FR4, Halogen free FR4, High Speed FR4, CEM 3, CEM 1
Flexible Materials: Polyimide (PI), Polyester (PET), Dupont Pyralux AP/TK series, Panasonic “FELIOS” series
Metal based: Aluminum based, Copper based, special alloys based Laird 1KA04,1KA06, Bergquist MP06503, HT0450
Microwave & RF: Rogers RO4350, RO4003, RO3003, RT/duroid, Arlon 85N, 33N, Nelco N4000-13, Panasonic Megtron 4, Megtron 6, Taconic RF35, TUC TU872, EMC EM827
PCB Surface Treatment
HAL
Pb-Free HAL
Immersion Gold (ENIG)
ENEPIG
OSP
Carbon ink
Hard Gold Plating
Soft Gold
Selective Finishes
Immersion Silver
Immersion Tin
Online Tool
Helpful Tools for Your PCB Assembly Projects
Cost Calculator
Get instant PCB assembly cost estimates
BOM Template
Download our standardized BOM template
Lead Time Calculator
Calculate production lead times
We served 15+ years
Our comprehensive suite of professional services caters to a diverse clientele, ranging from industrial entities to spare time hardware developers.
5000+
Successful Projects Delivered
500+
Satisfied Clients Worldwide
15+
Years of Experience
Certifications &Industry Standards
ISO 9001:2015
Quality Management System Certification
ISO 14001:2015
Environmental Management System
UL
Certified
IPC-A-610
Acceptability of Electronic Assemblies
ROHS-Lead free
PCB Product Certification
ROHS-OSP
OSP PCB Product certification
What Our Clients Say
“Outstanding quality and reliability. Their attention to detail in PCB assembly is exceptional.”
JS
John Smith
Senior Hardware Engineer
Tech Innovations Inc.
“Fast turnaround times without compromising on quality. A trusted partner for our PCB needs.”
SC
Sarah Chen
Production Manager
Smart Devices Co.
“Their expertise in complex PCB assemblies has been crucial to our product development.”
MB
Michael Brown
CTO
IoT Solutions Ltd.
FAQ
PCB&Assembly Frequent Asked Questions
What are the key parameters that characterize a PCB?
Layers: The number of copper layers in a multilayer board.
Thickness: Total thickness of the board.
Aspect Ratio: Ratio of total thickness to minimum trace/space width.
Pitch: Center-to-center spacing between pins or traces.
Track/Trace: Conducting copper circuit between nodes.
Space: Gap between adjacent traces on a layer.
What are the common PCB manufacturing processes?
Photolithography: Transferring circuit patterns onto copper foil.
Copper Plating: Electrochemical process to deposit copper on the substrate.
Etching: Removing unwanted copper to leave the desired circuit pattern.
Drilling: Creating holes for component leads or for internal connections.
What are the applications of PCBs in various industries?
PCBs are used in consumer electronics, industrial equipment, medical devices, automotive systems, and military applications. They are essential in devices like smartphones, laptops, medical monitors, engine management systems, and communication equipment.
What are the trends in the PCB industry?
The industry is moving towards higher density interconnects (HDI), flexible and rigid-flex PCBs, and the use of advanced materials like high Tg FR-4. There is also a growing focus on miniaturization and the integration of smart technology in PCB manufacturing.
What is the role of PCBs in the Internet of Things (IoT)?
PCBs play a critical role in IoT by enabling the seamless integration of electronic components in interconnected devices. They are used in smart home devices, wearables, and industrial sensors, among others.
What is PCB Assembly?
PCB Assembly is the process of populating a bare PCB with electronic components to create a functional electronic assembly.
What are the common PCB Assembly technologies?
SMT (Surface Mount Technology): Soldering small components directly to pads.
Through-hole: Leaded components inserted into plated holes before soldering.
Pick-and-place: Automated machine placing surface mount parts onto pads.
Reflow: Soldering SMT parts by heating the entire board above liquidus temperature.
How is the quality of PCB Assembly ensured?
Quality is ensured through various testing methods including flying probe, bed-of-nails, boundary scan, ICT (In-Circuit Test), and functional testing.
What are the challenges in PCB Assembly?
Challenges include maintaining cleanliness, ensuring proper solder joint formation, managing component placement accuracy, and dealing with ever-decreasing component sizes.
How does the choice of components affect PCB Assembly quality?
The quality of components directly impacts the assembly’s overall quality. It’s essential to choose components that meet industrial standards and are suitable for the intended application.
What are the future trends in PCB Assembly?
Trends include the use of special processes for complex assemblies, the growth of common craft due to SMT efficiency, and an increase in the demand for electromechanical components in advanced technologies.These FAQs provide a comprehensive overview of the circuit board and PCB Assembly industries, covering terminology, history, applications, manufacturing processes, quality control, and industry trend.
What is the role of automation in PCB Assembly?
Automation plays a crucial role in increasing efficiency, reducing errors, and meeting the demands of high-volume production. Automated pick and place machines and solder paste printers are essential tools in modern PCB Assembly.
How can I submit a Request for a Quote(RFQ)?
Please send your inquiry to our marketing department email directly:
[email protected]
Or you may visit our sales team page and contact our salesperson:
https://www.pcbassemblymfg.com/contact-us/
We are a trusted PCB Assembly manufacturer in China, supplying outstanding products with competitive pricing.
Can you deliver the products to our location?
Yes. We can deliver our PCB&assembly products to your location by logistics (UPS, FedEx, or DHL), by air or sea.
Please follow this web link about our shipping policy:
https://www.pcbassemblymfg.com/shipping-policy/
Is Suntop UL certified?
Yes, Suntop is UL certified, please contact our service team for more details:
[email protected]
Can you assistant on engineering?
With 15+ years of expertise in the PCB industry in China, our seasoned engineers specialize in evaluating current PCB designs and guiding the creation of new ones. We focus on Design for Manufacturability (DFM) to enhance production efficiency, reduce expenses, and expedite the product launch process.
How long will it take for manufacturing?
As a leading PCB Assembly manufacturer in China, we pride ourselves on our efficient production timelines:
PCB: 3-10 working days;
PCB assemby: 2-4 weeks;
Full turnkey electronics assembly: 4-6 weeks.
These lead times are subject to factors such as material and component availability, specific requirements, and the intricacy of the project.
What information do I need to offer for a full turnkey assembly?
Full data pack(including Gerber files, BOM list, assembly instructions etc.) is necessary.
Freely to reach us:
[email protected]
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