About Profab Machine

Stainless Steel Parts Manufacturer in Ningbo Since 2005

We make stainless steel parts to your drawing or sample for equipment makers, brand owners, and sourcing teams.

  • Rod Ends and Spherical Bearings
  • Clamps, Fittings, and Flanges
  • Custom CNC Parts
  • Seven Industries Served
See Our Capabilities
CNC lathes and an operator on the Profab Machine shop floor
Who we are

Who We Are

Profab Machine is a stainless steel parts manufacturer that CNC turns and mills your parts, so you deal directly with the factory.

The same team reviews your drawing, makes the sample, and runs production. Questions about a tolerance or a finish go straight to the people who cut the part.

Beyond custom work, our catalog covers motion parts, mounting hardware, fittings, and marine hardware. We also supply stainless steel bar, tube, and plate for buyers who machine their own parts.

Our history

Our History

Four milestones trace how a machining shop grew into a maker of its own motion components.

  1. Start

    A CNC Machining Shop

    Profab Machine began by CNC machining precision stainless steel parts for local industrial customers.

  2. Growth

    Our Own Product Lines

    Rod ends, ball joints, and spacers became our core product lines, while custom CNC parts made to drawing grew beside them.

  3. 2024

    RoHS Testing

    An independent lab tested our rod end bearing samples against the EU RoHS directive.

  4. Today

    Shipping Worldwide

    Finished parts leave the factory by sea, air, or express courier, whichever suits the order.

What we make

What We Make

Our flagship motion components come first. Each card below opens the page for one product line or service.

Stainless steel rod end assembly
Flagship products

Rod Ends and Spherical Bearings

Two-piece, offset, and self-lubricating rod ends sit beside spherical bearings for linkages, actuators, and steering.

Stainless Steel Rod Ends
02

Custom CNC Parts

Brackets, housings, and adapters are milled from stainless bar or plate to your drawing.

Custom CNC Parts
03

CNC Turning Parts

Pins, shafts, spacers, and bushings are turned from stainless bar to your drawing or sample.

CNC Turning Parts
04

Sheet Metal Parts

Covers, trays, and brackets are stamped and bent from stainless sheet.

Sheet Metal Parts
05

Full Product Range

Our range also includes ball joints, clevis fittings, clamps, flanges, and marine hardware.

All Products
How we make your parts

How We Make Your Parts

See which steps run on our own machines, which processes are offered with your order, and the stainless grades we work in.

At our factory

Made at Our Factory

  • Sawing
  • Turning
  • Milling
  • Drilling
  • Tapping
  • Grinding
  • Stamping
  • Bending
  • Parts run from cut bar to finished size on our own lathes and mills.
  • Stainless sheet is stamped and bent on site.
  • 5-axis machining is available on request when a part needs it.
With your order

Offered With Your Order

  • TIG welding
  • MIG welding
  • Laser cutting
  • Heat treatment
  • Forging
  • Passivation
  • Electropolishing
  • Choose these steps when a part needs a weld, a harder surface, or a cleaner finish.
  • Each one is quoted with the machining, so a single quote covers the finished part.

Materials

  • 304
  • 316 / 316L
  • 17-4PH

We supply 304, 316/316L, and 17-4PH regularly. Other stainless grades, such as duplex 2507, are available on request.

End mill held in a CNC machine spindle
CNC machining
Warehouse racking with part bins
Racking and part bins
Container truck loading outside the factory
Container loading at the factory
How we work with you

How We Work With You

Here is what happens after you send a drawing, and how long each step usually takes.

  1. 01

    Send Your Drawing

    Send a drawing in DXF, DWG, STEP, IGES, or PDF, or send a sample part.

  2. 02

    Get a Quote

    Our engineers review the geometry, grade, and finish, and we typically reply within 24 hours.

  3. 03

    Approve the Sample

    Samples take about 20 days, and production starts after you approve them.

  4. 04

    Production and Shipping

    Standard production takes about 30 days, and custom or complex parts are quoted individually.

Quality and certifications

Quality and Certifications

These four checks show when a part is measured against your drawing and what happens when one falls outside it.

Checking a machined plate part
Measuring a hex nut with a caliper
01

First Article

The first part from each new setup is checked against your drawing before the run continues.

02

In-Process Checks

Dimensions are checked again during the run, so drift is caught before it reaches the batch.

03

Before Shipment

Parts are gauge-checked and inspected against the drawing before packing.

04

Corrective Action

When a part falls outside the drawing, a written corrective action process finds the cause and keeps it from repeating.

Certificates and Test Documents

Open any document to view it at full size. Copies are available on request.

ISO 9001 certificate for Profab Machine
RoHS test report for rod end bearing samples
RoHS verification of compliance for rod end bearings
Industries we serve

Industries We Serve

Pick your industry to see the parts we make for it and the grades that hold up in its conditions.

Marine

Boats and docks use our 316L cleats, shackles, and linkage ends.

Food

Washdown lines run on our spacers, adapters, and conveyor hardware.

Medical

Beds, lifts, and lab equipment take our linkage, pivots, and frame hardware.

Automotive

Rod ends, tie rod ends, and exhaust flanges go into road and off-road vehicles.

Industrial

For machinery that runs wet or dirty, we make bushings, spacers, and linkage.

Solar Energy

Mounting brackets, spacers, and fasteners hold solar trackers and racking together.

Aerospace

Ground support equipment linkage, spacers, and brackets are made to your drawing.

Another Industry?

Send us your drawing, and we will tell you what we can make.

Brands
  • Grainger logo
  • Siemens logo
  • King logo
  • Caterpillar logo
  • ZPMC logo
  • Timken logo
  • ARB logo
  • Bobcat logo
  • Club Car logo
  • Fox logo
  • John Deere logo
  • Tesla logo
Our team

Who You Work With

Meet the roles that handle your drawing, your order, and your shipment.

Profab Machine engineer in front of a parts display wall
Engineering

Engineering checks that each drawing can be made as drawn and raises any questions before the sample.

Sales and Quotation

Sales handles your quote, the order, and your questions along the way.

Project Engineering

Project engineering follows the sample and the production run against your drawing.

Shipping and Packing

The shipping team packs finished parts and arranges the shipment.

Company FAQ

Company FAQ

Short answers to the questions buyers ask before they send a first drawing.

Where is Profab Machine located?

Our factory is at No. 41, Xiazhongfan, Baidu Village, Xiwu Sub-district, Fenghua District, Ningbo, China.

How long has Profab Machine been in business?

Profab Machine was founded in 2005, so we have 20 years of experience in stainless steel.

Do you machine the parts yourselves?

Yes, we CNC turn and mill parts at our own factory in Ningbo. Welding, heat treatment, laser cutting, and surface finishing are offered with the order, and we quote them together with the machining.

Which certifications do you hold?

Our quality management system is ISO 9001 certified. Our rod end bearing samples also met the EU RoHS limits in independent lab testing in 2024.

What is your minimum order quantity?

Quantities vary by product, and there is no hard minimum. Prototype runs typically start around 100 pieces.

Is Profab Machine related to Profab Machine, Inc. in Wisconsin?

No, Profab Machine in Ningbo, China, is not affiliated with Profab Machine, Inc. of Wisconsin, USA.

Contact

Contact Profab Machine

Write or call the factory directly. The address, email, and phone number are listed here.

Send Your Inquiry Today