The stretching process is suitable for large-scale orders and reduces unit cost.
Handmade craftsmanship supports non-standard sizes and designs to meet the needs of high-end kitchens or commercial projects.
The entire process can be traced, and the product life can reach more than 20 years.
Using recyclable stainless steel to reduce waste and optimize energy consumption.
Provides OEM/ODM services with flexible delivery times (standard orders take 4-6 weeks, including 6-8 weeks for mold customization and 1-3 weeks for handmade customization).
Select high-quality stainless steel sheets (thickness 0.8-1.2mm, grade 304/316) and inspect for surface defects and chemical composition.
Laser cutting machine, material testing instrument.
Plate hardness HRB 80-90 to ensure resistance to cracking during stretching.
Third-party material certification verification, 100% sampling rate.
Cut stainless steel coil into rectangular billets according to the mold size.
CAD software, fully automatic laser cutting machine.
Cutting accuracy ± 0.1mm, avoiding burrs.
Visual inspection of edge flatness, with a 100% waste recycling rate.
Position the plate on the die and apply 800-1200tons of pressure with a hydraulic press to drawn it into a sink shape. Drawing is performed in multiple stages - initial draw followed by finish draw- to prevent rupture.
Hydraulic stretching machine, specialized mold (mold life of over 100000 times).
Stretching speed of 10-20mm/s, using professionally formulated lubricants to reduce friction.
Real time monitoring of depth and wall thickness uniformity, with 10% sampling per batch.
Remove excess edges, punch out drainage holes and installation holes; For multiple sinks, perform manual or automatic welding connections.
Punching machine, trimming mold, argon arc welding machine.
Hole position accuracy ± 0.5-1mm, welding current 100-150A, ensuring seamless welding.
Dimensional measurement and weld seam inspection, without deformation or cracks.
Grinding to remove stretch marks, polish to mirror or brushed to hairline finish, and apply antibacterial coating and fingerprint free nano coating according to requirements.
Automatic grinding machine, automatic polish machine, CNC brushing machine, PVD vacuum coating equipment.
Surface roughness Ra 0.4-0.8 μ m.
Gloss level testing to ensure no scratches.
Conduct a comprehensive inspection of appearance, dimensions, and functionality (such as leak testing), and proceed with packaging.
3D scanner, pressure testing machine.
Product qualification rate>99.5%.
Final random inspection of 20% and provide inspection report. The package uses desiccant or rust proof paper and foam, suitable for sea transportation.
Customized design based on customer CAD drawings or ideas, selecting stainless steel plates (thickness 0.8-3.0mm).
ASTM A240/A480; chemical deviation<0.5 %; hardness HRB 80-90; surface free of scratches or rust.
Spectrometer, thickness gauge, hardness tester, vision inspection system.
100 % sampling with third-party certificate validation; rejection rate for non-conforming material<1 %.
Fully automatic laser cutting machines firstly cut the sheets to the required shapes, then CNC turret punch presses stamp the drainage grooves, and finally CNC press brakes bend them into the basin frames.
Fully automatic laser cutting machine, CNC turret punch press , CNC press brake.
Bending angle accuracy ± 0.5 °, dimensional accuracy ± 0.5mm, ensuring finished product tolerance<± 1mm.
Each product is measured individually,with its data recorded separately.
Craftsmen use radius-forming dies to craft R- corners, bottom angles, side walls, and workstations, achieving complex curves by hand.
R-angle pressing equipment, specialized leveling equipment.
Uniform forming depth, consistent radii and bottom-curve lines,enalbling seamless welding.
Inspect the consistency of wall curvature, bottom curvature, and the R-angles at all four bottom corners.
Use an automatic laser welding machine to join the formed parts into a complete sink, achieving seamless connections for the bottom and side walls; finish the welds and edges by hand.
Fully automatic laser welding machine, argon arc welding machine (inert gas shielded welding), grinding wheel machine.
Welding temperature of 1400-1500°C, ensuring that the weld strength is greater than the base metal; Surface flatness<0.3mm.
Ultrasonic testing for weld integrity, no virtual welding; Touch and visual inspection.
Use an automatic R-corner grinder, automatic belt sander, automatic brushing machine, and other equipment for grinding and brushing, or apply PVD nano vacuum coating as required.
Automatic R-corner grinder, automatic belt sander, nano vacuum coating equipment.
Coating thickness 0.5-1.0 μ m, nano coating hardness HRB4.
Corrosion resistance test (salt spray test for 48 hours without rust).
Perform functional tests (e.g., load-bearing and waterproofing), then mark and package each unit to customer specifications.
Pressure testing machine, load simulator, flow test bench.
Customization compliance rate of 100%.
Customers preview photos/videos and use customized wooden boxes and cardboard boxes for packaging.
Competitive Pricing
Free Design & Technical Support
Stock Check & Fast Delivery Options
Drawings, Samples & Product Specifications
Customization Solutions