About GYDZH

Whether it’s a small batch of complex components or mass production of non-standard parts, GYDZH is fully equipped to handle diverse manufacturing demands with agility and precision.

Our flexible production processes are tailored to meet each customer’s specific requirements, making us a trusted partner for industries ranging from aerospace and medical to automotive and electronics.

Company Overview​

Guangyun Da Zhanhong Technology Co., Ltd. (GYDZH for short) in Shenzhen, Guangdong Province, China, was founded in 2015 and is located at No. 353 Changfeng Road, Changzhen Community, Yutang Subdistrict, Guangming District, Shenzhen, China. With more than 15 years of experience in the precision machining industry and its business dating back to 2008, the company has grown into a reliable high-precision CNC machining service provider specializing in custom metal and plastic component machining.
The company has a professional team of over 50 members, including skilled technicians, engineers and logistics support staff, who work together to deliver one-stop solutions covering prototype development, mass production and finished product assembly. GYDZH also offers value-added services such as injection molding, die casting and sheet metal fabrication to fully meet diverse manufacturing needs.

Factory Tour

Inside our modern production facility where precision manufacturing happens.

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Our Teams at Your Service

Our business team consists of seasoned supporting stuff, each with over 3 years of specialized experience in manufacturing processes and client relations. Every team member undergoes rigorous training before serving our customers. When handling your quotes, technical inquiries, or after-sales support, we prioritize your perspective and proactively deliver solutions that address your specific concerns.

Our engineering team features 10 highly experienced engineering professionals, each bringing over 8 years of hands-on expertise benefit from hundreds of projects. Our comprehensive technical services include: Technical Consultation, Drawing Pre-Review, Cost Analysis, Material Advisory and more.

GYDZH CNC business team
Business Team
programming engineer
Program Engineer
lathe machinist
Lathe Machinist
mill machinist
Mill Machinist
measuring center
Measuring Center

Testing

GYDZH hardware is ISO9001-2015 certified, specializing in precision machining parts manufacturing with quality assurance.

Machining Center

Our modern facility houses more than 80 advanced machines, including 3-axis, 4-axis, and 5-axis CNC machining centers, engraving machines, and drilling machines. This comprehensive machining infrastructure enables us to achieve tight tolerances of ±0.0002 inches (5μm) and deliver consistent, high-quality parts for clients with the most demanding standards.

Machine Quantity Brand Max Part Size
3 – Axis CNC Machine 50 FANUC – A – D14MIA 1500×800mm
4 – Axis CNC Machine 10 — 600x1200mm
CNC Lathe Machine 35 Tsugami 300x1200mm
Lathe Mill Machine 3 Tsugami 300x1200mm
CNC Swiss Type Automatic Lathe 5 Tsugami 30x500mm

EDM

CNC Lathe Machine
CNC Mill Machine
Five Axis CNC Mill

Manufacturing Capabilities Beyond

EDM

Extrusion

Engraving

Grinding

Injection Molding

Die Casting

Surface Finishes

Surface Finishing for Metal Parts
Surface Finishing for Plastic Parts

Tolerance

Tolerance for Metal Part

ISO 2768-F

Permissible deviations in mm for ranges in nominal lengths Tolerance Class Designation (Description)
f (fine)
0.5 up to 3 +/- 0.05
over 3 up to 6 +/- 0.05
over 6 up to 30 +/- 0.1
over 30 up to 120 +/- 0.15
over 120 up to 400 +/- 0.2
over 400 up to 1000 +/- 0.3
over 1000 up to 2000 +/- 0.5
over 2000 up to 4000  
   
For nominal sizes below 0.5 mm, the deviat ons shall be indicated ad acent to the relevant nominal size(s)

Competitive Global Shipping Solutions

Shipping Options

UPS express services

Weight In Kgs US EU 15 Countries AU Asia Area Lead Time
DNC 0.5-20 $22 $18 $36 $14 3-5 Days
DNC 21-1000 $7.8 $6.8 $8.8 $3 3-5 Days

 

DHL express services

Weight In Kgs US EU 15 Countries AU Asia Area Lead Time
DNC 0.5-20 $25 $27 $35 $18 2-5 Days
DNC 21-1000 $8.8 $8.9 $10 $4 2-5 Days

 

Fedex express services

Weight In Kgs US EU 15 Countries AU Asia Area Lead Time
DNC 0.5-20 $25 $27 $35 $18 2-5 Days
DNC 21-1000 $8.8 $8.9 $10 $4 2-5 Days

*Remark: Reference price only, Final price based on official daily rate. Tks!

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