Exporting since 2010

OEM & ODM manufacturing, one container to start

Minimum order1,000 pcs
IncotermsFOB · CIF · CFR
Port of loadingShenzhen · Shanghai

Item	Minimum order	HS code	Lead time
AC-DC power module	1,000 pcs	8534.00	20 – 40 days
DC-DC converters	1,000 pcs	8534.00	20 – 40 days
Temperature and hu	1,000 pcs	8534.00	20 – 40 days
Motor control boar	1,000 pcs	8534.00	20 – 40 days

Products

A product range built for real scenarios

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

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Main line

AC-DC power modules

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

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Industrial grade

DC-DC converters

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

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High precision

Temperature and humidity sensors

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

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Custom design

Motor control boards

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

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IoT

Smart home control boards

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

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One-stop

PCBA contract manufacturing

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

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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

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

How We Work

A clear path from brief to delivery

Each stage has a defined deliverable and a named contact.

Requirement review

Clarify the scenario, the metrics and the budget range

Proposal & quote

A tailored plan with itemised pricing

Delivery

Milestones agreed up front, progress shared as we go

After-sales follow-up

We track how it performs in use and keep improving it

Our Work

Selected projects

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

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

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Battery management board development

Custom BMS sampling and control board designed and industrialised.

Prototype to production in 10 weeks

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Smart home control board programme

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

2.6 M units in the first year

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PCBA contract manufacturing

Small and medium volume PCBA supply, including component sourcing.

Average lead time 12 days

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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.

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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 Quote Call Us

Tell us what you need, we will route it to the right person

Product enquiry, solution review or partnership — just leave a message.

Hotline+86 512 6888 9900

Mobile / WeChat+86 139 6258 6688

Emailsales@ruisi-elec.com

AddressNo. 6 Ruisi Road, Electronic Information Industrial Park, Xiangcheng District, Suzhou, Jiangsu, China

Business hoursMon – Sat 8:30 – 18:00 (GMT+8)

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