DONG SUN PRECISION INDUSTRIAL ENGINEERING

MOLDS - STAMPING DIES - PLASTIC INJECTION MOLDS - PLASTIC MOLDING DIES

Dong Sun is a precision industrial engineering company specializing in mold manufacturing, stamping dies, plastic molds, and plastic injection molds for industries that require high accuracy and strict technical standards.

With a team of experienced engineers and skilled technicians, combined with modern machining systems, Dong Sun delivers durable, stable, and technically compliant mold solutions that meet demanding production requirements across various industrial sectors.

Mold Manufacturing & Machining

Dong Sun provides high-precision mold fabrication services tailored to customer specifications and production needs.

Machined Products Include:

• Plastic molds

• Plastic injection molds

• Household plastic molds

• Industrial plastic molds

Our molds are designed to ensure dimensional accuracy, stable performance, and long service life in mass production environments.

Dong Sun follows a structured and controlled manufacturing process in line with international standards:

1. Receive customer drawings

2. Drawing confirmation (FS)

3. Preliminary design and DFM preparation

4. Customer confirmation of DFM

5. Final mold design

6. Mold machining

7. Mold fitting and position verification

8. Sample product molding

9. Determination of molding conditions

10. Product appearance and dimensional inspection

11. Customer sample approval

12. Sample approval documentation

13. Customer issues a purchase order (PO)

14. PO confirmation and production launch

15. Production process control

This process ensures product consistency, accuracy, and compliance with customer requirements.

Why Choose Dong Sun

• Each product undergoes strict inspection before delivery to ensure precision, stability, and long mold life

• Equipped with advanced CNC machines and EDM systems for high-accuracy machining

• Professional engineering and technical team with strong expertise in precision machining

• Many years of experience in precision engineering and mold manufacturing

• Trusted partner of domestic and international clients, with a strong desire to expand cooperation with companies from Europe, Germany, Japan, and other markets

Guided by the philosophy of "Giving is Receiving", Dong Sun continuously strives to provide optimal technical solutions, high quality, and reasonable costs. We accompany our customers throughout every production project, from mold manufacturing and jigs to precision mechanical components.

Dong Sun is committed to being a reliable, professional, and responsible precision engineering partner.