ZH Assembly Technology logo ZH Assembly
30 years of product design & production

Turn ideas
into real products

From a single idea to design, 3D, PCB, prototype, engineering, mold and mass production.

Product concept sketch
Sketch Sketch
3D product design
3D Modeling
PCB electronics development
PCB Electronics
Product prototype
Prototype Prototype
Product tooling
Mould Mould
Finished product
Product Product
I want to make a product
Scroll down to learn more
1

Which stage are you at?

Pick the option that best matches your situation.

I only have an idea
→ Help me evaluate
I have images / sketches
→ Make 3D for me
I already have 3D
→ Make prototype
I have a sample
→ Engineering
Ready for tooling
→ Evaluate mold
I have a product
→ Improve / reduce cost
From idea to mass production
Product concept sketch01Sketch
3D product design023D
PCB electronics development03PCB
Product prototype04Proto
Product tooling05Mould
Finished product06Product
2

How far can our services take you?

From concept to shelf, one-stop product development.

IDEAYour idea
ConceptConcept design
Industrial DesignIndustrial design
3DStructure & appearance
PrototypePrototype making
ElectronicsPCB & electronics
EngineeringEngineering
MouldTooling
ProductionMass production
PackagingPackaging design
PRODUCTReady for market
From idea to mass production
Product concept sketch01Sketch
3D product design023D
PCB electronics development03PCB
Product prototype04Proto
Product tooling05Mould
Finished product06Product
3

Why Zhonghua Assembly?

Experience is the pitfall we help you avoid.

30 years of product development experience

30+ YEARS

Years of product design & development

3D design and tooling

500+ 3D

3D & mold development projects

Hardware and software development

500+

Hardware & software projects

Mass production

300+

Mass-produced products

Compliance certification

300+

Compliance certification projects

Packaging design

500+

Packaging design projects

From idea to mass production
Product concept sketch01Sketch
3D product design023D
PCB electronics development03PCB
Product prototype04Proto
Product tooling05Mould
Finished product06Product
4

Real Cases

They started with a sketch and ended up in the market.

Electronic toy
Electronic Toy

Kids Smart Robot

StartHand sketch + feature description
IssueComplex structure, high cost
SolutionDesign / Engineering / PCB / Prototype
Result Mass-produced, cost reduced by 28%
Electronic gift
Electronic Gift

Premium Business Gift

StartOutdated existing product
IssueHigh MOQ, thin margin
SolutionRedesign / Tooling / Packaging
Result New look, MOQ cut to 1/3
Consumer electronics
Consumer Electronics

Smart Home Controller

Start3D ready but not mass-producible
IssueUnstable electronics, interference
SolutionEngineering / PCB / Prototype
Result Yield improved from 72% to 96%
Bluetooth product
BT Product

Portable Bluetooth Speaker

StartClient had a product idea
IssueAcoustic vs size trade-off
SolutionID / 3D / Prototype / Mould
Result Amazon bestseller, 50k/month
Outdoor electronics
Outdoor Electronics

Outdoor Waterproof GPS

StartSample failed waterproof test
IssueIP67 failed, structure rework
SolutionEngineering / Mould / Compliance
Result Passed IP67 & CE, shipped on time
Smart wearable
Smart Wearable

Health Monitoring Band

StartUpgrade old product, cut cost
IssueToo many modules, low assembly
SolutionRedesign / PCB / Production
Result Cost down 35%, features improved
From idea to mass production
Product concept sketch01Sketch
3D product design023D
PCB electronics development03PCB
Product prototype04Proto
Product tooling05Mould
Finished product06Product
5

Are you facing these problems?

If so, you're probably the client we're looking for.

Have an idea but don't know where to start?
Found a design firm that doesn't understand production?
Factory only follows drawings, no engineering support?
Prototype looks good but mass production fails?
Found design errors only after mold opened?
Electronics, plastic, packaging all from different suppliers?
Unsure if the product cost works?
Don't know what MOQ to target?

No order required

Send us your idea for a quick WeChat evaluation.

From idea to mass production
Product concept sketch01Sketch
3D product design023D
PCB electronics development03PCB
Product prototype04Proto
Product tooling05Mould
Finished product06Product