Since 1999 · Shanghai, China

Precision Connector Components for Global Industries

Committed to high-precision mold manufacturing since 1999, we deliver connector terminals, molds and spare parts machined to 0.001 mm — trusted across automotive, EV and industrial applications worldwide.

Explore Product Series About Mastdew

79 Patents Granted
1.55B Parts / YR Capacity
ISO 9001
ISO 14001
IATF 16949
APQP Full-Process Control

0.001 MM

MACHINING TOLERANCE
79 +

PATENTS & SOFTWARE COPYRIGHTS
1.55 B

PARTS / YEAR PLANNED CAPACITY
25 +

Years of ENGINEERING EXPERIENCE

Product Series

Explore Our Connector Series

From sealed automotive housings to high-density headers — a full-category portfolio covering terminals, precision stampings, injection-molded parts and assemblies.

Why Mastdew

Engineered to a Tighter Tolerance

Every strength below is measurable — from machining accuracy to annual capacity. That's how we prefer it.

Precision Manufacturing

±0.001 MM

Machining at tolerances as fine as one micron meets the most demanding dimensional and geometric requirements — ensuring consistency and reliability across every part we ship.
Intellectual Property

±0.001 MM

Machining at tolerances as fine as one micron meets the most demanding dimensional and geometric requirements — ensuring consistency and reliability across every part we ship.
Quality Systems

±0.001 MM

Machining at tolerances as fine as one micron meets the most demanding dimensional and geometric requirements — ensuring consistency and reliability across every part we ship.
Delivery Capability

±0.001 MM

Machining at tolerances as fine as one micron meets the most demanding dimensional and geometric requirements — ensuring consistency and reliability across every part we ship.
Supply Strength

±0.001 MM

Machining at tolerances as fine as one micron meets the most demanding dimensional and geometric requirements — ensuring consistency and reliability across every part we ship.
Certifications & Honors

±0.001 MM

Machining at tolerances as fine as one micron meets the most demanding dimensional and geometric requirements — ensuring consistency and reliability across every part we ship.
Global Presence

±0.001 MM

Machining at tolerances as fine as one micron meets the most demanding dimensional and geometric requirements — ensuring consistency and reliability across every part we ship.

Services

Connection Solutions, By Application

From a single terminal to a complete assembly — end-to-end solutions that simplify your supply chain.

About Mastdew

Precision Manufacturing: Interconnecting Precision

Leading Manufacturer of Precision Connector Components

Founded in 2010 and headquartered in Shanghai, we are a leading high-tech enterprise specializing in premium connector components. We deliver end-to-end solutions—spanning precision manufacturing, high-volume injection molding, stamping, and automated assembly—to global leaders in automotive electronics, telecommunications, medical devices, and industrial automation.

Discover the Company

About Mastdew

Quality

Certified Where it Counts

For nearly two decades of engineering practice, our quality framework has kept every process in a controlled state — with documented risk assessment and continuous improvement built in.

IATF 16949

Iis igitur est difficilius satis facere, qui se Latina scripta dicunt contemnere. in quibus hoc.
ISO 9001

Iis igitur est difficilius satis facere, qui se Latina scripta dicunt contemnere. in quibus hoc.
ISO 14001

Iis igitur est difficilius satis facere, qui se Latina scripta dicunt contemnere. in quibus hoc.
APQP

Iis igitur est difficilius satis facere, qui se Latina scripta dicunt contemnere. in quibus hoc.