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TONGREN
ISO 9001:2015 Custom Parts Manufacturing –
Custom Parts Manufacturing –
Precision You Can Specify
From prototype to production, we machine, cast, and fabricate metal and plastic parts to your exact drawings, CAD files, and specifications. Certified quality delivered on time.
ISO 9001:2015 certified
Aerospace quality standards
Fast Lead Times
Quick turnaround on quotes and parts
Ships to 30+ countries
Worldwide shipping capabilities
Tolerances from ±0.005 mm
Complete manufacturing control
Our Manufacturing Capabilities
Precision engineered parts made to your exact specifications
CNC Machining Service
3-axis, 4-axis & 5-axis CNC milling and turning for aluminum, stainless steel, titanium, brass and engineering plastics. Tolerances to ±0.005 mm.
CNC machining Chinaprecision millingcustom CNC parts
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Die Casting Service
Aluminum and zinc alloy die casting for complex housings, brackets, and high-volume structural components. In-house tooling, tight wall thickness control.
aluminum die castingzinc die castingcustom casting China
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Sheet Metal Fabrication
Laser cutting, bending, welding and stamping for enclosures, brackets, and structural assemblies. Mild steel, stainless, aluminum. ISO 2768 tolerances standard.
sheet metal ChinaLaser Cuttingcustom fabrication
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Injection Molding
Engineering-grade plastic injection molding: ABS, PC, PP, PEEK, POM, PA. Insert molding and overmolding available. P20 & H13 mold steel. Tolerances ±0.1 mm.
injection molding Chinaplastic parts OEMPEEK molding
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Wire EDM Machining
Wire electrical discharge machining for hardened tool steel, complex profiles, and tight-tolerance slots. Tolerances to ±0.002 mm. No burrs, no distortion.
wire EDM ChinaEDM machining serviceprecision EDM
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Swiss CNC Machining
Swiss-type CNC turning for small-diameter, high-precision parts: medical pins, connectors, fasteners, and micro-components. Diameters from 0.5 mm to 32 mm.
Swiss CNC machiningscrew machiningmicro precision parts
Learn More >Materials We Work With
Aluminum
Stainless Steel
Brass
Titanium
Copper
Steel
Plastics
Have drawings ready?
Upload them and get a quote in 24 hours.
Our engineering team will review your specifications and provide a detailed quote with lead times and material recommendations.
Advanced Quality Control
CMM inspection and full traceability for every part
IS0 9001:2015 Certified
Aerospace and ISO quality management systems
DFM Engineering Support
Design for manufacturability guidance included
On-Time Delivery Promise
98% on-time delivery rate, guaranteed
