Contact Us

Have any questions?
Our professional support team will respond promptly to assist you.

Experience the Highest Standard of Quality with Wonjin.

Enhance your competitiveness with Wonjin’s technology — delivering excellence in lead time, cost efficiency, and quality performance.

Contact us today, and our professional engineers will provide the optimal solution tailored to your needs.

📞 Phone Inquiry


+82-31-867-4811

Business Hours:
Weekdays 08:30 – 17:30
(Closed on weekends and public holidays)

✉️ Email Inquiry


wonjin@wonjinmetal.com

Available 24/7
(Responses provided within 24 business hours)

📍 Location

23, Pyeonghwa-ro 2862beon-gil, Sangbongam-dong,
Dongducheon-si, Gyeonggi-do, Republic of Korea

Frequently Asked Questions


We have compiled the most frequently asked questions about Wonjin.

Q. Is there a minimum order quantity (MOQ)? 

Both small-batch orders and large-scale production are available.
We also support prototype development and provide optimized quotations based on order quantity.

Q. How long is the lead time? 

Lead time may vary depending on product specifications and order quantity, but typically ranges from 2–4 weeks.

For urgent orders, expedited production can be arranged upon request.

Q. What materials can you process? 

We provide forging and machining services for a wide range of metal materials, including copper, copper alloys, and aluminum.

Processing of specialty materials is also available upon consultation.

Q. How do you ensure product quality? 

We operate an ISO-certified quality management system, and all products undergo 100% inspection.

Each shipment is delivered with an official quality inspection report.