Top China Custom Stainless Steel Metal Fabrications Manufacturer & Factories

For custom stainless steel sheet metal fabrications and deep-drawn components, tooling lead times typically range between 14 to 25 calendar days depending on geometric complexity and stage progression (single-action vs. progressive die sets). Once the customer settles the tooling fee, mold ownership rights belong entirely to the buyer under signed OEM non-disclosure agreements (NDAs). We store, maintain, and service your tooling in our climate-controlled die bank free of charge for the duration of production.

Every incoming batch of raw stainless steel coil undergoes spectral analysis using optical emission spectrometers (OES) and handheld XRF analyzers to confirm Chromium, Nickel, Molybdenum, and Carbon content. Each production batch is issued an EN 10204 3.1 Material Test Certificate (MTC). Additionally, we conduct neutral salt spray testing (ASTM B117 standard) for up to 720 hours to verify corrosion performance prior to global dispatch.

Our high-precision CNC fiber laser cutting lines deliver dimensional tolerances of ±0.05mm on sheet thicknesses ranging from 0.5mm to 6.0mm. Hydraulic deep drawing presses maintain wall thickness uniformity within ±0.08mm. For general sheet metal bending and forming, we operate in accordance with ISO 2768-mK international tolerance standards, ensuring seamless fit-up in final customer assembly lines.

Yes. While we stock full standard European EN 631-1 Gastronorm dimensions (ranging from GN 2/1, 1/1, 1/2, 1/3, 1/4, 1/6 to 1/9 at depths of 20mm to 200mm), our engineering team specializes in custom OEM dimensional variations. We can modify flange widths, anti-jamming perimeter ribs, corner radiuses, and laser-engrave custom brand logos or volumetric measurement scales directly onto the steel surface.

We offer comprehensive surface treatment processes in-house, including mechanical Satin/Hairline (#4 polish), Mirror Polish (#8 finish), Electro-polishing for food-contact hygiene compliance, Bead Blasting for non-reflective industrial equipment, and Physical Vapor Deposition (PVD) titanium coating (Gold, Rose Gold, Champagne, Black Chrome) for decorative hotelware and luxury architectural trim.

MOQs depend on the fabrication technique. For standard catalog items like Gastronorm containers or standard kitchen cookware with custom packaging/branding, MOQs start as low as 500 units. For fully customized deep-drawn stamped components requiring new tooling setup, MOQs typically start at 1,000 to 3,000 units depending on unit weight and raw material coil width requirements.

We utilize automated orbital TIG welding shielding gases (98% Argon / 2% Hydrogen mixes) to eliminate oxidation during fusion. Following welding, parts undergo full pickling and chemical passivation (ASTM A967 compliant) to restore the passive chromium oxide layer across heat-affected zones (HAZ), preventing localized rusting in severe commercial kitchen or outdoor environments.

All custom fabrications are packed using anti-corrosion VCI (Vapor Corrosion Inhibitor) plastic wrapping, high-density edge protectors, heavy-duty corrugated master cartons, and fumigated export plywood pallets. We offer full FOB, CIF, DDP, and DAP terms via containerized sea freight (20GP/40HQ) or air freight, backed by full custom documentation (Certificate of Origin, Form E/F, Commercial Invoices).