70 Production Staff
Our production team handles day-to-day machining and manufacturing operations, supporting different part geometries, order quantities, and production requirements.
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Precision CNC Manufacturing Since 2008
JeaSnn is a precision CNC machining manufacturer based in Dongguan, China, specializing in custom components manufactured to customer drawings and specifications. We support customers worldwide with precision parts for prototype, production, and repeat-order requirements.
Our Story & Journey
2008 — JeaSnn Established
JeaSnn began manufacturing custom precision parts in Dongguan, focusing on drawing-based production for customer-specific requirements.
Manufacturing Capabilities Expanded
Machining capabilities and production resources were expanded to support a wider range of part geometries, materials, and production requirements.
Quality Systems Developed
Quality management was strengthened through ISO 9001:2015 and IATF 16949:2016 quality management system certification.
Today — Supporting Global Custom Manufacturing
Today, JeaSnn continues to support custom precision parts from prototypes to production, backed by an established manufacturing, engineering, and quality organization.
Factory Manufacturing Capabilities
Our production, engineering, and quality teams work together to support custom precision parts from drawing review and manufacturing preparation through machining and inspection. Each team focuses on a different stage of production, helping projects move efficiently from drawings to finished parts.
5 Engineering Staff
Our engineering team reviews customer drawings and technical requirements before production, supporting process planning and manufacturing preparation for custom parts.
15 QC Staff
Our QC team performs inspections throughout production to verify critical dimensions, tolerances, and specified requirements against customer drawings, from first-piece inspection through final inspection.
CNC Machining Workshop
CNC Turning Workshop
Screw Machining Workshop
Quality Control Center
Our Manufacturing Capabilities
CNC Machining
Model: G-V800, T-600
Material: L800, W400
Density: metal & plastic
Usable craftsmanship: CNC machining
CNC Milling
Model: G-V800, T-600
Material: L800, W400
Density: metal & plastic
Usable craftsmanship: CNC milling
CNC Turning
Model: Type 35, 46
Max Size(mm): L200, OD46
Material: metal & plastic
Usable craftsmanship: CNC turning
Prototyping Machining
Model: Type 35, 46, G-V800, T-600
Max Size(mm): L200, OD46, L800, W400
Material: metal & plastic
Usable craftsmanship: Prototyping machining
CNC Swiss Machining
Model: CITIZEN A20
Max Size(mm): L200, OD20
Material: metal & plastic
Usable craftsmanship: CNC Swiss machining
5 Axis CNC Machining
Model: G-V800, T-600
Max Size(mm): L800, W600
Material: metal & plastic
Usable craftsmanship: 5 Axis CNC machining
Screw Machining
Model: 2-Die 4-Blow, 3-Die 6-Blow
Max Size(mm): M10, OD12
Material: metal & plastic
Usable craftsmanship: Screw Machining
Assembly Service
Model: Overall assembly
Material: Parts assembly
Density: As you need
Usable craftsmanship: Assemble service
Our Vision
Our vision is to become a trusted long-term manufacturing partner for companies that depend on custom precision parts. We aim to grow alongside our customers by continuously strengthening our manufacturing, quality, and project support, helping them move from new product development to stable, repeat production.
Our Values
At JeaSnn, our values guide how we approach every project—from understanding customer requirements to manufacturing, inspection, and delivery. We focus on responsible manufacturing, consistent quality, clear communication, and continuous improvement.
Responsibility
We take responsibility for every project we accept, following customer drawings and specifications throughout production and addressing issues openly when they arise.
Quality
Quality is built into our manufacturing process, not checked only at the end. Our production and QC teams work together to keep parts consistent with customer requirements.
Customer Focus
We start by understanding what matters to the customer—the drawing, application requirements, quality expectations, delivery needs, and project priorities—before moving into production.
Continuous Improvement
We continuously improve our manufacturing processes, inspection methods, and internal workflows to support more reliable production and better project execution.
Our Packaging Capabilities
The precision machined parts and components packaging is made according to the customer's requirement.
Blister Box Packing
Bubble Bag Packing
EPE-Foam Packing
Wrapping Tissue Paper
Plastic Centrifuge Tube
Box Packing
PP Strapping + Angle Board
Wooden Packing
Quality Assurance of Custom Metal Parts
As an ISO 9001:2015 and IATF 16949:2016 certified company, these process standards enable us to meet stringent customer requirements for a wide range of industries. Jiesheng Hardware is determined to deliver a level of service that consistently exceeds the expectations of those who have entrusted us with their business. We are continually improving our procedures, our products and our technology so that every order and any demand results in total customer satisfaction. Because we know quality and dependability are of vital importance, our experienced Quality Control personnel thoroughly inspect all products using carefully maintained measuring equipment and by conducting a series of demanding tests.
Tests Include
- Destructive Testing of all types
- Salt Spray Test
- Rockwell Hardness Test
- Ductility Test
- Hydrogen Embrittlement Test
- Torque Test
- Tensile Test
- Ring & Plug Test (Full Line of Gauges)
- Optical Comparator Examination
- Precision Caliper / Micrometer Examination
Available Quality Documentation
- PPAP (SPAP)
- Inspection Reports (ISIR)
- Material Certification
- Heat-Treat Certification
- Performance Certification
- Hardness report
- Torsion test report
- Film thickness report
- ROSH/Reach
- Regulatory Conformance Documents (DFARS, Conflict Materials)
Work & Life at JeaSnn
Ready to Start Your Custom Parts Project?
Cost-efficient Machined Parts at Any Quantity
Upload your CAD file and get a quote with free DFM feedback within 24 hours. From rapid prototypes to mass production — flexible volumes to fit your project.
Sample ready in as fast as 30 minutes
Tolerances up to ±0.005 mm with Japan-imported machines
ISO 9001:2015 & IATF 16949:2016 certified quality system
OEM/ODM manufacturing since 2008, from prototypes to repeat production