Contact Us

Get in touch for quotes, technical questions, or to schedule a factory visit. Every enquiry is reviewed and answered by email.

Talk to the People Who Will Make Your Parts

Send Us a Message

We answer enquiries by email. For a specific part, the quote form collects what we need in one go.

  • Factory address: Chang'an Town, Dongguan City, Guangdong Province, China 523850
  • Phone: +86-769-81581186 (Mon–Fri, 08:00–18:00 CST)
  • Email: wendy@optcj-machining.com
  • Business hours: Mon–Fri 08:00–18:00 CST, Sat 09:00–12:00 by appointment
  • Factory visits: by appointment

How to Reach Us

How We Handle Your Enquiry

Request TypeWhat Happens
Quote requestDrawing reviewed, then a quote with lead time and DFM notes by email
Technical questionAnswered by the person who would run the job
Rush order enquiryTell us the real deadline and we say yes or no honestly

Prefer to Send Files?

Use the quote form to attach STEP or IGES files along with your requirements.

Get a Quote