Industry Automation Control PCB Assembly Services
Professional PCB assembly services featuring green solder mask and comprehensive 100% electrical testing for quality assurance.
About Suntek Group
Suntek is a leading contract supplier in the EMS field, providing comprehensive one-stop solutions for PCB/FPC assembly, cable assembly, and box-build assembly.
Our Manufacturing Facilities
- Suntek Electronics Co., Ltd - Hunan Province, China
- BLSuntek Electronics Co., Ltd - Kandal Province, Cambodia
Certified with ISO9001:2015, ISO13485:2016, IATF 16949:2016 and UL E476377, we deliver qualified products with competitive pricing to clients worldwide.
Our Comprehensive Services
We transform your requirements into finished products:
- Gerber file and BOM conversion into real products
- Reverse-engineering services from physical samples
- Joint-design services to bring your ideas to life
Technical Specifications
| Specification | Details |
|---|
| Material Type | FR-1, FR-4, CEM-1, aluminum clad |
| Material Thickness (mm) | 0.4, 0.6, 0.8, 1.0, 1.2, 1.6, 2.0 |
| Layer Count | 1 to 8 Layers |
| Max. Board Size | 23.00" x 35.00" (580mm*900mm) |
| IPC Class | Class II, Class III, Class 1 |
| Annular Ring | 5 mil/side or Greater (Min. Design) |
| Finish Plating | HASL, Lead Free HASL, ENIG, OSP, immersion silver, immersion tin, immersion nickel, hard gold |
| Copper Weight | 0.5OZ-2OZ |
| Trace/Space Width | 3 Mils or greater |
| Drill Clearance | 0.1mm (laser drilling) |
| Plated Slots | 0.036 or greater |
| Smallest Hole (finished) | 0.1mm or greater |
| Gold Fingers | 1 to 4 Edge (30 to 50 Micron Gold) |
| SMD Pitch | 0.080" - 0.020" - 0.010" |
| Solder Mask Type | LPI Glossy, LPI-Matte, SR1000 |
| Solder Mask Color | Green, red, blue, black, white, yellow |
| Legend Color | White, yellow, black, red, blue |
| CNC Route Point | Any |
| Minimum Route Width | 0.031" |
| Scoring | Straight lines, jump scoring, panel edge to edge, CNC |
| Body Gold | HARD, IMMERSION (up to 50 MICRON GOLD) |
| Data File Format | Gerber 274x with embedder aperture |
| FAB. Drawing Format | DXF, HPGL, DWG, PDF, Gerber |
| E.T Testing | Flying probe, single sided, 1up plate, clamp shell, net list |
| Counter Sink/Counter Bore | Available up to 0.250 Diameter |
| Control Impedance | Yes |
| Blind Vias/Buried Vias | Yes |
| Peelable Mask | Yes |
| Carbon | Yes |
Complete Manufacturing Solutions
- PCB/FPC fabrication
- Components sourcing
- PCB/FPC assembly
- Custom cable/harness assembly
- Box build assembly
Assembly & Testing Services
- SMT, THT, BGA, 0201 Chips assembly
- AOI, X-Ray, ICT, FT, Burn-in testing
- Conformal coating or gluing
- High-mix, small to medium volume production
- ISO9001, ISO13485, TS16949 and UL certified
EMS Quality Advantages
- Strict product liability following IPC-A-610 standards
- Fluent English-speaking teams
- PDCA management tool implementation
- 100% electrical testing and visual inspection
- Comprehensive AOI inspection including X-ray, 3D microscope and ICT
- High-voltage testing and impedance control testing
- ISO9001, ISO13485, IATF16949 and UL certified
- No minimum order quantity requirements
- Specialized in low to medium volume production
- Quick and reliable on-time delivery
Why Choose Suntek?
As an experienced and reliable manufacturer, Suntek provides comprehensive one-stop services including PCB manufacturing and assembly for global customers with diverse project requirements.
Instant Quote Service
Receive our detailed quote within 24-48 hours with positive feedback on all project specifications.
Expert Technical Support
Our professional engineers provide comprehensive technical support from PCB design to turnkey assembly.
Advanced Automation
State-of-the-art automatic equipment ensures high efficiency, cost-effectiveness, and consistent quality.
Dedicated After-Sales Service
Continuous order tracking with instant updates throughout the production process from our customer service team.
Customer Support & Services
We maintain complete cost transparency with detailed BOM cost breakdown sharing and source components globally.
Proactive Communication
- Customer service procedures
- RMA procedures
- 8D reports for issue resolution
- PDCA (Plan-Do-Check-Action) methodology
Responsive Support
- 24-hour response to complaints and queries
- Weekly progress reports
- Dedicated customer support team
- Customer satisfaction surveys
Comprehensive After-Sales
- 1-year guarantee period for all products
- Free-of-charge repair services
- Rapid replacement of defective components
PCBA Assembly Process Flow
Frequently Asked Questions
Q1: What files do you use in PCB fabrication?
A1: Gerber files and PCB Auto CAD formats.
Q2: How do you ensure product quality?
A2: All products undergo 100% electrical testing. PCB assemblies include comprehensive AOI, ICT, functional testing, and 100% X-ray inspection for BGA components.
Q3: Can we visit your facilities?
A3: Absolutely. We welcome visits to our Suntek facility located in Xingsha Industrial Park, Changsha, Hunan province, China.
Q4: What are your typical lead times?
A4: Samples: 3-5 working days; Batch production: 7-10 working days (based on files and quantity); PCB assembly: 15-20 working days.
Q5: How do you protect customer information?
A5: We strictly maintain business confidentiality and protect customer designs. NDAs can be signed at any time.
Q6: How do we start working with you?
A6: Email your PCB layout file and BOM list. We provide confirmation within 12 hours and detailed quotes within 3-5 days.
Our advanced manufacturing equipment, professional engineering teams, comprehensive quality control, and efficient management ensure high-quality products and reliable on-time delivery. Our PCB assemblies are widely used in industrial control, automotive, telecommunications, medical equipment, consumer electronics, and more.
Manufacturing Facility Overview
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