About us

30 Years of Expertise in Custom Parts Machining

Global delivery within 10 days with our custom parts machining services for rapid prototyping and small batch production


Over 30 years of Manufacturing Expertise

Today, Jean Cherng Enterprise Co., Ltd is a leading supplier and manufacturer of precision mold parts, serving a diverse range of industries including Plastic & Press Molding, Medical, Semiconductor, Mobile Phone, and Green Energy.

Our journey started with humble beginnings as a small workshop and has since evolved into a well-known and trusted manufacturer supplying custom CNC components, and precision mold components to our clients worldwide.

Excellence in R&D Innovation

At JC Machining, we believe that a commitment to excellence is the key to success. That’s why we spare no effort in our R&D innovation and regularly upgrade our technologies, machining equipment, and quality control capabilities to ensure we deliver the best possible product quality.

In the increasingly competitive overseas market, we are committed to providing the best possible service to our customers without cutting corners. Our dedication to customer satisfaction, combined with the hard work and collaboration of our talented team, has made us a leading precision mold parts manufacturer in Taiwan.


Address: No. 21, Alley 56, Tai-pin St., Shu Lin Township, Taipei Hsien, Taiwan

Apr. 1989
Reorganized to JEAN CHERNG CO.
Reorganized to JEAN CHERNG CO., LTD.
Invested NT$200 million

To purchase a land for Jean Cherng Building.

Apr. 2003
The construction of Jean Cherng Building was completed

Location at: No.2, Lane 379, Chung Hua Road., Shu Lin City 238, Taipei Hsien, Taiwan.

Formally gained the ISO 9001:2008 quality/quantity management certificate.

Choose The Right CNC Machining Services Provider

Frequently Asked Questions
  • Parts machined will follow ISO 2768-m (medium) or ISO 2768-f (fine).
  • We guarantee on following ISO 2768 standards for all CNC machined parts and other components  that do not include specific tolerance requirements.
  • For even tighter tolerances on shafts, we offer custom quotes as a free service.

In our current facilities, we have:

  • 6 CNC milling machines
  • 12 CNC lathe machines
  • 15 High-variant grinding machines
  • 46 Grinding machines
  • 11 Types of Wire-EDM Sandblaster
  • Knurling Machine

Other advanced manufacturing equipment.

There is no MOQ. We offer solutions such as one-off rapid prototypes, custom low-volume CNC machining, and mass production with short lead times.

Even though our in-house machines can machine larger parts, we recommend these sizes:

  • Maximum Turning Diameter: 250 mm
  • Maximum Turning Length: 300 mm
  • Maximum Grinding Diameter: 250 mm
  • Maximum Grinding Length: 400 mm
  • Maximum EDM Length Hole: 50mm
  • Maximum EDM Length: 250mm
  • Maximum Wire-EDM Thru hole Height: 100mm
  • Maximum Wire-EDM Length & Width Capacity: 300*500mm

Lead times will vary depending on your project complexity and our capacity:

For larger projects, in general, you can expect shipment 2-3 weeks after sending in your confirmed order.

With rapid one-off CNC prototypes, global delivery can be within 10 days.

Our sales office operates from 8:00 am to 6:00 pm local time (GMT+8)

Our factory operates 24/7 Monday to Sunday.

As Machined, Polishing, Sand Blasted, Black Oxide, TiN, TiCN, TiALN, AlCrN, DLC and Chrome Plated.

We offer free ground shipping limited to customers in Taiwan and China. For other locations, our sales and fulfillment team will work with the carriers of your choice.

We understand that your 3D data and designs are invaluable to your business. Therefore, we take the protection of your intellectual property rights (IPR) very seriously. We encrypt all files that are transferred using SSL, ensuring that they can’t be intercepted while being uploaded to our servers.All the information and any files which you upload onto our platform are stored securely, and only ever shared within our organization with those employees who need access to it in order to manufacture your parts.

We ensure confidentiality across the entirety of your order; original drawings are not shared with 3rd party suppliers as all our production is done in-house.If you would like some additional reassurance, we can sign a Non-Disclosure Agreement.

JC Machining has a CNC manufacturing team of professional engineers and machinists to reduce manufacturing redundancy, optimize CNC programming, shorten machining time, improve surface finish, and deliver the best quality machined parts.We take each project personally and carefully examine each drawing, we can then enhance the 2D/3D designs by adding clarity and detailed information and further analyze your design to accommodate any special fixturing and machining strategies used to produce your parts at a very reasonable cost.

Our manufacturing team follows strict quality control standards, delivering 100% accuracy at strict tolerances. You can also call or email us at any time, and we’ll help with ordering parts, design feedback, material recommendations, and answer any questions.