
Metal Spinning
Custom spun parts in aluminum, stainless steel, copper and brass — domes, cones, tank heads, reflectors, fan housings. Low tooling cost, fast turnaround, diameters up to 1,500 mm.
Learn more →Coolanna Technology delivers custom spun metal parts and precision-machined components to clients across Europe, the USA, Central Asia, the Middle East, Japan and Korea — with engineering support, strict quality control and one-stop sourcing under one roof.
Combine our in-house metal spinning and CNC machining capabilities with our China sourcing service to simplify your entire supply chain.

Custom spun parts in aluminum, stainless steel, copper and brass — domes, cones, tank heads, reflectors, fan housings. Low tooling cost, fast turnaround, diameters up to 1,500 mm.
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3/4/5-axis CNC milling and turning with tolerances down to ±0.02 mm. Prototypes and volume production for automotive, aerospace, medical and industrial equipment.
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Supplier auditing, price negotiation, quality inspection, export packaging and consolidated shipping — a reliable China sourcing partner with transparent fees.
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We built our reputation serving demanding OEM clients in Germany, the Netherlands, the USA, the UAE, Saudi Arabia, Japan and Korea. Here is what working with Coolanna feels like:
Sheet thickness 0.5–8 mm, manual & CNC spinning.
Complex geometries, tight tolerances ±0.02 mm.
Anodizing, plating, powder coating, polishing, passivation.
Dimensional reports, material certs, PPAP on request.
Every part is produced to your drawings and inspected before packing. Typical applications include:

High-reflectivity aluminum spun reflectors for industrial and architectural lighting.

Spun stainless steel heads and pressure vessel components with certified materials.

Anodized aluminum housings and enclosures for electronics and automation equipment.

Precision turned shafts, bushings and custom fittings in brass, steel and stainless.
Upload 2D/3D files (STEP, DWG, PDF) with your requirements.
Engineering review, material options and detailed pricing.
First articles produced and approved before mass production.
In-process QC with photo/video updates at every milestone.
Export packing, customs docs and door-to-door (DDP) options.
"Coolanna has spun our aluminum reflectors for three years. Consistent quality, on-time delivery every single month — they feel like our own factory in China."
"Their sourcing team saved us 18% on a full container of machined fittings and handled all the inspection and export paperwork. Genuinely hassle-free."
"Drawings go in, perfect parts come out. Their English communication and inspection reports are the best we've experienced with any Chinese supplier."
Send your drawings today — detailed quotation within 24 hours, no obligation.