Talk to salesReply within 12 hours on business days
sales@ruisi-elec.comWhatsApp+86 139 6258 6688
RuisiElectronic modul
Hotline+86 512 6888 9900
Get a Quote
What we can customise
  1. 01Logo & brand colour
  2. 02Packaging & colour box
  3. 03Label & manual
  4. 04Private mould development
Exporting since 2010 · Verified exporter

OEM & ODM manufacturing, one container to start

  • Private label & customisationOEM · ODM · Private label · PCBA
  • Minimum order1,000 pcs
  • Sample policySample free, freight collect
  • QC & inspectionSGS · TÜV · Intertek
Get a QuoteProducts
Main markets

Where our goods go, and for how long

Figures come from actual shipments; local references available on request.

39Countries exported to
228Overseas clients
16Years in export
4Export certifications
North AmericaEUJapan & KoreaSE Asia
Why Choose Us

Turning expertise into measurable results

Every step from briefing to after-sales has a defined owner and standard.

Reliability laboratory

Temperature cycling, vibration, salt spray and EMC testing in house; new designs run 500 hours of ageing before release.

Fast development

An 86-strong engineering team turns standard variants around in 2–3 weeks and custom designs in 8–12.

Three-stage inspection

SPI, AOI and X-ray inspection with 100% functional test, records traceable to the station and batch.

Consistency

Key components are bought from the original manufacturers and the BOM is locked, so batches behave the same way.

Products

A product range built for real scenarios

Every item is validated in real use and can be adapted to your specification.

View All
AC-DC power modulesMain line

AC-DC power modules

5 W to 300 W with wide input, high efficiency and low ripple, certified for in…

DC-DC convertersIndustrial grade

DC-DC converters

Isolated and non-isolated series rated from −40 °C to +85 °C for industrial co…

Temperature and humidity sensorsHigh precision

Temperature and humidity sensors

Digital output modules accurate to ±2% RH and ±0.3 °C for environmental monito…

Motor control boardsCustom design

Motor control boards

Brushless motor drive and control boards with field-oriented control and sever…

Smart home control boardsIoT

Smart home control boards

Wi-Fi, Bluetooth and Zigbee boards with cloud platform integration, including …

PCBA contract manufacturingOne-stop

PCBA contract manufacturing

Component sourcing, SMT placement, through-hole assembly and test, suited to s…

Trade terms

Terms agreed up front

MOQ, lead time, payment terms and port of loading — saves three rounds of email.

Minimum order1,000 pcs
Lead time20 – 40 days
Payment termsT/T · L/C at sight
IncotermsFOB · CIF · CFR
Port of loadingShenzhen · Shanghai
HS code8534.00
Packing & loadingAntistatic bag · 100 pcs / carton
Private label & customisationOEM · ODM · Private label · PCBA
Sample policySample free, freight collect
QC & inspectionSGS · TÜV · Intertek
Our Work

Selected projects

A look at how we solved problems for clients like you.

Long-term supply of industrial power modules

Long-term supply of industrial power modules

30 W to 150 W modules supplied at 860,000 units a year.

Seven years, no batch returns

Battery management board development

Battery management board development

Custom BMS sampling and control board designed and industrialised.

Prototype to production in 10 weeks

Smart home control board programme

Smart home control board programme

Wi-Fi control board plus cloud platform delivered as one package.

2.6 M units in the first year

PCBA contract manufacturing

PCBA contract manufacturing

Small and medium volume PCBA supply, including component sourcing.

Average lead time 12 days

View All
Testimonials

What our clients say matters more

Three years in, what stands out is how little we have to chase them. They do what they promise, and they answer quickly when something comes up.
Wang JianguoClient · Head of Procurement
They are not the cheapest on the line, but the total cost works out lower. Far less rework and far fewer meetings, which matters over years.
Li HaiyanClient · General Manager
Technical conversations are smooth — they understand the application, not just the product. Our requirements are understood accurately, which is rare.
Zhang PengClient · Technical Director
FAQ

Things you may want to know

Still have questions? Contact us — we reply within one business hour.

Chat Now
Which regions do you cover?

We serve clients nationwide and handle cross-region delivery. Tell us your location and requirements and we will assign the right team.

How do I get a quotation?

Send us your requirement, quantity and delivery expectation through the form or by phone. We issue a formal quotation within 1–2 business days.

Can you provide samples?

Yes. Depending on your requirement we can send samples or arrange a small trial run so you can validate performance in real use.

How is after-sales support handled?

A dedicated after-sales team provides support through the whole service period, with response times stated in the contract.

Can we work together long term?

Yes. We build long-term relationships, and most clients have worked with us for over three years. Annual agreements can fix price, capacity and quality terms.

Every board has to survive the ageing test

Tell us what you need — we will route it to the right specialist within one business day.　+86 512 6888 9900

Get a QuoteCall Us
CallLeave a Message