Engineering-led · Custom-made · Wenzhou, China

Custom fasteners.
Built around your drawing.

From non-standard screws to precision mechanical components, we combine hands-on tooling expertise with a dependable regional manufacturing network.

Drawing & sample developmentHands-on technical supportFlexible production
Custom self-tapping screws
Made to requirementForm · fit · function
Elastic cylindrical pins
Retaining components02 / 06
ONETechnical contact
MULTIPLEManufacturing processes
CLEARProject follow-through

Small enough to respond quickly.
Experienced enough to solve problems.

01 — What we make

One point of contact.
A wider range of capability.

We support made-to-drawing parts across forming, stamping, machining and assembly. Each project is matched to a practical production route based on geometry, material, quantity and application.

Representative custom self-tapping screws01

Cold forming · Threading

Custom Screws & Fasteners

Special screws, bolts, nuts and fastening parts developed around your drawing, sample and assembly needs.
Representative elastic cylindrical pins02

Pins · Rivets · Locators

Pins & Locating Parts

Spring pins, solid pins, rivets and locating components for repeatable industrial assembly.
Representative retaining clips03

Clips · Rings · Washers

Retaining & Spring Parts

Retaining rings, clips, washers and formed spring parts for fastening, positioning and retention.
Representative hollow bushings04

Turning · Precision parts

Sleeves & Turned Parts

Bushings, sleeves and precision-machined components made to dimensional and functional requirements.
Representative precision stamped spring pieces05

Stamping · Forming

Stamped & Formed Components

Small metal stampings and formed parts supported by practical tooling and production know-how.
Representative mechanical component assemblies06

Custom parts · Assembly

Mechanical Parts & Assemblies

Application-specific mechanical parts and simple assemblies coordinated as one complete project.

Representative products shown through Chengyi's regional manufacturing capability. Final specifications are confirmed per project.

02 — Custom development

Technical thinking
before production.

Custom parts rarely begin with a catalogue number. They begin with a function, a drawing, a worn sample or a production problem. Our technical management stays close to tooling and sampling so decisions remain practical.

01

Share the requirement

Send a drawing, sample, photo or key dimensions together with quantity and application.

02

Technical review

We review structure, tooling, process options and the practical route to production.

03

Sampling & confirmation

Prototype or sample parts are prepared for dimensional and functional confirmation.

04

Production & follow-through

After approval, we coordinate production, inspection, packing and delivery.

Representative precision formed component

Good manufacturing starts with understanding how the part works—not only what it looks like.

What helps us quote accurately

  • 2D / 3D drawing or sample
  • Material and finish
  • Critical dimensions
  • Order quantity & application

03 — How we work

Focused company.
Connected capability.

Chengyi combines hands-on technical management with a dependable circle of specialist manufacturers in Wenzhou and Rui'an. Work may be produced by our team or coordinated with a suitable manufacturing partner; Chengyi remains the responsive customer-facing contact throughout the project.

01

Close technical attention

Decisions stay close to the people who understand tooling and production.

02

Specialist process matching

Each part is matched to the process and production resource it actually needs.

03

One coordinated workflow

Customers receive a single point of contact from clarification through delivery.

Supporting components for

Home appliancesMotors & electricalIndustrial equipmentGeneral automotive assemblies

04 — About Chengyi

Built by people who
stay close to the work.

Wenzhou Chengyi Fasteners Co., Ltd. is a focused manufacturing company for customers who need more than an off-the-shelf part.

Our technical lead brings practical experience in mould and tooling development and is personally involved in feasibility, sampling and production decisions. We believe responsible workmanship, useful communication and steady follow-through matter more than impressive claims.

2012Company established
WENZHOUZhejiang manufacturing base
CUSTOMDrawing & sample focused

Start a project

Have a drawing,
sample or idea?

Share what you have. We will review the requirement and respond with the questions needed to move forward.

Include when available

Drawing / sampleMaterialQuantitySurface finishApplicationTarget date
LocationWenzhou, Zhejiang, China
Direct contactsales@chengyifasteners.com
Email your RFQ