| Customization: | Available |
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| Function: | Pressed, Phonation, Buffer, Drive, Restoration, Measurement |
| Material: | Stainless Steel |
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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
Craig, who is the CEO and the founder of Hongyi, started his Machining career as a designer & machinist in a Chinese factory since 1998. During the past years, he had gained rich experience on CNC Machining, metal stamping, springs and etc. So Hongyi can help solve most of the problems in these fields, which related to electronic accessories, automotive parts, medical equipment hardware, outdoor products, home garden parts, and etc.| Main Products | Adjustable Door Torsion Spring Double Loop Stainless Steel Mechanism for Industrial Use |
| OEM/ODM | Accepted |
| Specification | Make as per drawing, wire diameter from 0.1mm to 20mm |
| Material | Carbon steel (SWC), stainless steel (SuS), music wire (SWP), alloy steelSEA9260/9254/6150,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. |
Q1. Are you a trading company or a manufacturer?
A1.We are a manufacturer, you are warmly welcomed to visit us.
Q2.What information do you need for quote?
A2. Detailed drawings(PDF/STEP/IGS/DWG) with material, quantity and surface treatment information.
Q3. Can I get a quote without detailed drawings?
A3.Yes, it's appreciated if you can send us your samples, or drafts with detailed dimensions for us to quote.
Q4. Will my drawings be divulged to others?
A4.No, it's our obiligation to protect our customers' privacy of drawings, signing NDA is accepted if need.
Q5. What's the lead time?
A5.Usually, 1-2 weeks for samples, 3 weeks for mass production.
Q6: What if the products I received are of poor quality?
A6. If the products you received are of quality issue, please send us pictures or videos to let us know the details, we will arrange to reproduce for you if it's our responsibility.
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