Custom IoT Controller Module Embedded System PCBA Assembly

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Specification

Term	Detailed Specification of PCBA Board Manufacturing
Layer	1-36 layer
Material	FR-4, CEM-1, CEM-3, Hight TG, FR4 Halogen Free, FR-1, FR-2, Aluminum
Board thickness	0.4mm-4mm
Max.finished board side	1020mm*1000mm
Min.drilled hole size	0.25mm
Min.line width	0.10mm(4mil)
Min.line spaceing	0.10mm(4mil)
Surface finish/treatment	HASL/HASL lead free,Chemical tin,Chemical Gold,Immersion gold Inmersion Silver/Gold,Osp,Gold Plating
Copper thickness	1/2OZ 1OZ 2OZ 3OZ
Solder mask color	green/black/white/red/blue/yellow
Inner packing	Vacuum packing,Plastic bag
Outer packing	Standard carton packing
Hole tolerance	PTH:±0.076,NTPH:±0.05
Certificate	ISO9001,ISO14001,ROHS,CQC
Profiling Punching	Routing,V-CUT, Beveling
Assembly Service	Providing OEM service to all sorts of printed circuit board assembly

Certification

IATF16949 & ISO9001 & ISO14001

Advantage

Industry-Leading EMS Partner | High-Precision PCBA Solutions

As an established EMS specialist, we deliver high-precision PCBA manufacturing tailored to complex applications across key sectors:

Optical Transceiver Modules: Advanced PCBA manufacturing supporting speeds from 1.25G to 1.6T.

Specialized Technologies: High-frequency FPGA & RF PCBAs, alongside rugged Industrial Control PCBAs.

Automotive Electronics: IATF 16949 certified, guaranteeing compliance with strict auto-grade quality standards.

Smart Devices: Premium assembly for next-gen wearables and smart home electronics.

Why Work With Us?

Scale & Capacity: An 8,000+ $m^2$ state-of-the-art facility outfitted with 21 high-precision SMT lines.

Precision: Proven capabilities in engineering complex, high-density HDI and intricate board layouts.

Agility & Speed: Seamless transition from rapid prototyping to stable, full-scale mass production to meet your aggressive time-to-market goals.

Application

As an expert in the EMS industry with over 15 years of experience,
We specialize in high-precision PCBA assembly, particularly for:

*Optical Communication Modules: Capable of processing PCBA components with speeds ranging from 1.25G to 1.6T.
*FPGA & RF PCBA
*Industrial Control PCBA*
*Automotive Electronics (we are IATF 16949 certified)*
*Smart Wearables (AI Glasses, TWS Earbuds, Smartwatches, etc.)
*Consumer Electronics (Power Supplies, Computer Peripherals, Pet Electronics, Smart Home, Audio, IoT)*
*Customized electoral support.

Factory photo display

Our production workshop is equipped with advanced and clean facilities, and the warehouse adopts intelligent storage technology, resulting in high efficiency.

Equipment

Equipped with fully automated SMT lines including precision printing, high-speed placement, 3D SPI, inline AOI, and X-ray counter, ensuring zero-defect PCBA manufacturing.

Aleader AOI

SPI

X-Ray

Equipped with a high-precision AOI optical inspection system, relying on patented multi-angle light sources and 3D/OCV intelligent recognition algorithms, it can achieve full defect detection for 01005 micro-components and high-density boards, ensuring zero-defect delivery of automotive-grade and optical module PCBA with extremely low false alarm rate and real-time SPC tracking..

Equipped with advanced  3D SPI (Solder Paste Inspection) systems, we perform 100% real-time volumetric inspection of solder paste printing. Featuring high-precision 3D shadowless imaging, dynamic PCB warpage compensation, and SPC analytical tracking, it effectively eliminates over 70% of potential SMT printing defects at the source—ensuring zero-defect PCBA quality for high-density automotive and optical modules.

Utilizing advanced X-ray imaging and AI-driven algorithms, the machine provides fast, non-destructive 99.9% accurate counting of SMD reels in seconds—handling up to four 7" reels simultaneously. Integrated with automatic barcode scanning and seamless MES/ERP connectivity, it eliminates human error and dramatically boosts SMT inventory control efficiency.

SMT Machine

Glue spreading machine

Solder Paste Printing-Machine

our high-speed SMT lines deliver exceptional placement speed, versatility, and ultra-high precision . Capable of mounting ultra-small 03015 components up to large ICs, this combination guarantees high-throughput, flexible, and flawless assembly for high-density optical modules and automotive electronics.

Integrated into our SMT lines, the automatic printer delivers exceptional alignment accuracy and high-speed stability. Equipped with advanced CCD vision positioning, dynamic squeegee control, and automatic stencil cleaning, it guarantees precise solder paste and glue deposition for high-density automotive and optical PCBA.

The automatic printing machine boasts an extremely high repeatability alignment accuracy (±0.01 millimeters), ensuring uniform solder paste deposition in complex PCB designs. This equipment is equipped with an advanced CCD visual positioning system, dynamic scraper pressure control, and efficient template cleaning functions, capable of providing flawless printing quality for 01005 components, fine-pitch BGA, and optical modules.

Packing & Delivery

Package Contents: Finished PCBA boards, anti-static ESD packaging materials, test report, user manual (if applicable).
Sustainable Packaging: 100% recyclable materials. All PCBA products are securely packed with anti-static bubble wrap and aluminum foil bags to ensure ESD and moisture protection.

Trade Terms: Flexible options including EXW, FOB, and CIF.

Express:Via DHL, FedEx, UPS, and others.

Air & Sea Freight: Assistance with customs clearance documentation.

Company Profile

Company Name

Shenzhen Sunwin Electronics Technology Co., is a professional PCBA manufacturing and electronic solutions provider.

 

Backed by our strong SMT manufacturing facility—Shenzhen Saketron Electronics Technology Co., Ltd., established in 2009 with over 8,000square metre of production space and 21 advanced High-Precision SMT lines—we specialize in the development and manufacturing of compact, high-precision, modular electronic products.

 

FAQ

1. What are your strengths?

Shenzhen Sunwin Electronic Technology Co., Ltd. (with our factory Saketron) is a professional PCBA manufacturer based in Shenzhen. 

With over 15 years of experience, we specialize in high-precision PCBA for 

Optical Transceiver Modules ,from 10G up to 400G/800G/1.6T;

Automotive Electronics;

Smart Wearables;

Industrial Control Systems;

Consumer Electronics

We provide a one-stop solution from component sourcing to final assembly.

2. What does your service include?

PCB Fabrication & SMT/DIP Assembly.

Component sourcing and procurement
Comprehensive Testing: Including SPI, 3D AOI, X-Ray, and FCT.

Value-added Processes: Potting and Conformal Coating services based on customer requirements.

3. Can you help with component sourcing?

Yes, we offer complete component procurement services:

Access to authorized distributors

BOM cost optimization

Alternative component suggestions

Long-term supply chain management

 

4. How do you ensure quality?

We utilize an advanced Intelligent Material Management System (IMMS) and an integrated MES (Manufacturing Execution System) to achieve Full-Process Traceability and Real-time Monitoring.

5. What certifications do you hold?

IATF 16949

ISO 9001 & ISO 14001

6. What is your production lead time?

Prototypes: 5–7 working days after all materials are ready.

Small batch production: 7-10 days
Mass Production: Typically 2–3 weeks

7. What is your MOQ?

Prototype Stage: No MOQ; we accept orders as small as 1 piece to support customer R&D.

Mass Production:From small batches (100+ units) to large-scale production of millions of units.

8. How do you handle international logistics?

Trade Terms: Flexible options including EXW, FOB, and CIF.

Express:Via DHL, FedEx, UPS, and others.

Air & Sea Freight: Assistance with customs clearance documentation.