What certifications do your switching power supplies have?

Our products are certified by 3C, CE, FCC, UL, and PSE, meeting compliance requirements for major global markets.

Do you support OEM/ODM customization?

Yes. With 22 years of power supply customization experience, Sanyi Precision can tailor output voltage, wattage, casing, and connectors to your specifications — from design to mass production.

What is the minimum order quantity (MOQ)?

The MOQ for standard products is 100 units. For custom products, the MOQ depends on the specific requirements. Contact our sales team for a detailed quote.

What is the typical lead time?

Standard products ship within 3–7 business days. OEM custom orders typically take 15–25 business days, depending on quantity and complexity.

What industries do your power supplies serve?

Our switching power supplies are widely used in security & surveillance, industrial automation, EV charging stations, telecom base stations, building electrical systems, and POE networks.

Sanyi Precision factory and product showcase

Shenzhen Sanyi Precision Technology Co., Ltd.

Industrial Switching
Power Supply Manufacturer

22 Years90+ PatentsExport 60+ Countries3C/CE/UL Certified

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Reliable Industrial Power Solutions

Focused on slim switching power supplies, POE power supplies, access control power, and centralized power boxes with OEM customization.

17+ products

Security & Surveillance

Stable and reliable centralized power solutions for 24/7 security surveillance systems

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2+ products

Access Control

Dedicated power supplies for door locks, turnstiles, card readers and access control systems

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15+ products

LED & Lighting

Power solutions for LED strips, light boxes, stage lighting with dimming and constant current support

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16+ products

Networking & Communication

POE and adapter power for routers, switches, APs, IP cameras and network equipment

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19+ products

Industrial Control

High-power, high-reliability power solutions for automation, PLC and industrial applications

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21+ products

Consumer Electronics

Chargers and power adapters for smartphones, tablets, smart home devices and more

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Why Us

Why Choose Sanyi Precision

Direct Factory Supply

Own 2,000+ m² production base — no middlemen, competitive pricing.

7-Day Rapid Prototyping

OEM/ODM samples delivered in as fast as 7 business days.

MOQ from 100 Units

Factory pricing available even for small-batch orders.

1-on-1 Tech Support

Senior engineers guide you from product selection to after-sales.

Global Certifications

Products certified by 3C, CE, FCC, UL, PSE, CB and more.

22 Years of Quality

Established in 2004 with 90+ patents — quality proven by time.

Certifications

Globally Certified Products

Our products meet compliance requirements for all major global markets

CCC

CE Marking

FCC

UL Listed

PSE Japan

RoHS

CB Scheme

Partners

Trusted Industry Partners

About Us

22 Years in Power Supply
Source Manufacturer

Sanyi focuses on integrated power solution R&D, production, and sales. Products are certified by 3C, CE, FCC, UL, and PSE, and exported worldwide.

Years Experience

90+

Related Patents

2000+

m² Production Space

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Manufacturing

Complete Testing System
Stable Quality Delivery

From R&D to mass production, we run conduction, surge, and temperature tests to ensure long-term reliability for smart city and industrial automation projects.

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Free Tools

Online Selection Tools

Professional tools to quickly find the right power solution

Applications

Industry Use Cases

EV Charging Auxiliary Power

Supports dual-voltage 12V/24V output for different charging setups.

Industrial Switch Power

Stable operation for long-running industrial network devices.

Communication & Building Systems

Applicable to communication systems, building infrastructure, and PV industry scenarios.

Industrial Switching
Power Supply Manufacturer