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On-Demand Custom Manufacturing Services

From prototypes to production parts, Mastars provides CNC machining, 3D printing, injection molding, tooling, and assembly with engineering support.

Prototype to production manufacturing
DFM review & process selection
Low-volume and mass production support
Quality inspection throughout production

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Certifications+Compliance

ISO 9001:2015 | ISO 13485:2016 | IATF 16949:2016

20⁺

Years Manufacturing

100⁺

Engineering Experts

800⁺

Global Customers

5⁺

Production Bases

Our Core Services

CNC Machining

3D Printing

Sheet Metal Fabrication

Injection Molding

Metal Casting

Flexible Manufacturing Solutions for Every Project

Every part has different requirements for material, geometry, tolerance, and volume. Mastars combines multiple manufacturing processes to match the right solution from prototype validation to production.

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Compare Manufacturing Processes Side by Side

Service	Best For	Typical Lead Time	Materials	Typical Tolerances	Production Volume
CNC Machining	Precision metal & plastic parts	As fast as 3 days	Aluminum, stainless steel, titanium, engineering plastics	Down to ±0.005 mm	1–10,000+ parts
3D Printing	Complex prototypes, lightweight structures & low-volume parts	As fast as 3 days	Resins, nylon, engineering plastics, metal powders	Process-dependent	1–1,000 parts
Sheet Metal Fabrication	Enclosures, brackets & structural components	As fast as 48 hours	Aluminum, steel, stainless steel	Cutting accuracy down to ±0.05 mm	Prototype to production
Injection Molding	Repeat plastic parts & scalable production	T1 samples as fast as 10 days	ABS, PC, PP, TPU, PEEK & other thermoplastics	Part precision down to 0.01 mm	Medium to high volume
Metal Casting	Complex metal housings & structural parts	Project-dependent	Aluminum, zinc, magnesium, steel & other castable alloys	Process-dependent	Low to high volume
Vacuum Casting	Production-like plastic parts for short runs & validation	Project-dependent	Polyurethane materials simulating ABS, PP, PC & elastomers	Process-dependent	Typically 10–100 parts

From Prototype to Production

Validate fit, function, materials, and appearance with prototypes. Then transition to low-volume or mass production with stable processes and quality control.

Engineering Expertise Behind Every Project

100+ engineers support DFM review, process selection, and manufacturing optimization before production starts. With 20+ years of manufacturing experience, Mastars helps identify design risks early and improve part manufacturability.

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Built for Reliable Manufacturing Outcomes

From material verification and process control to FAI and final inspection, Mastars maintains quality consistency throughout prototype and production stages.

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