
Have you ever felt distressed for looking for a stable and good custom spring manufacturer?
If so, you can just choose us---Hongyi Hardware Manufacturing
Main Products | Factory Custom Stainless Steel Coil Compression Steel Spring |
Specification | Make as per drawing, wire diameter from 0.1mm to 20mm |
Material | Carbon steel (SWC), stainless steel (SuS), music wire (SWP), alloy steel SEA9260/9254/6150,SUP9/SUP10/SUP12,51CrV4,inconel X750, etc. |
Surface Treatment | Zinc plated, nickel plated, electrophoresis, oxidation black, powder coating, blasting.geomet, rust-preventative oil,etc. |
Certificate | ISO/TS16949-2002,IS09001-2000,IS014000 |
Lead Time | Samples:3-7 days; Production:7-15 days after deposit recieved. |
Shipment | By sea, by air, UPS, TNT, Fedex, express delivery, etc. |









We have a professional R&D team to develop new products that can meet customers' different requirements. Of all the products we made, we can proceed per strict quality standard, which include the IQC (Incoming Quality Control), IPQC (In Process Quality Control), FQC (Final Quality Control), and Mterial Certificate, SGS report. Before ship the products, we can inspect according AQL standard or 100% inspection. Our company has 2.5D Measurer, projector, Hardness tester, Salt spray testing equipment to control the product quality...
