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| Customization: | Available |
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| Type: | Electronic Security Devices |
| Usage: | Agricultural Products Processing |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Payment Guarantee
Platform-protected payments with refund support for eligible order issues.
Platform Logistics
Inspection Service
After-Sales & Dispute Handling
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
| Accurate in reading drawings & Fast in delivery & Exact dimension control & 100% quality control & OEM Service & Strict material inspection & Prompt quote & lead time guarantee |
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| 1.Product Name: | Custom Large Spring |
| 2. Place of origin: | Ningbo, China |
| 3.Lead time: | 30~40 days |
| 4.Payment term: | T/T, Sight L/C, etc |
| 5. Trade term: | FOB, CIF, etc |
| 6.Application fields: | Construction, Industry, Agricultural, etc |
| 7.Material range: | Steel,Iron,etc |
| 8. Material Standard: | ASTM, AISI, ASME, SAE, NF EN, DIN, ISO, BS EN, SS, etc |
| 9.Process: | Investment casting, Precision casting, Lost wax casting, Silica Sol casting, Water glass casting, Foundry, steel foundry, Quartz sand casting, Furan resin sand casting, CNC Machining |
| 10.Software for specification drawings: | Pro-E, Solid work, PDF, JPG, Auto CAD |
| 11.Inspection equipment: | Spectrograph, Tensile Strength Test Machine, Impact Test Machine, Rockwell hardness Tester, Brinell hardness Tester, Leeb hardness tester, Vickers hardness tester, HX-MIAS, Magnetic Defect Detector, Ultrasonic Flaw Detector, X-Ray Test |
| 12.Machining Equipment: | CNC Machining Shop, Lathe, Milling Machine, Drilling Machine, Boring Machine, Grinding Machine, Heat treatment Furnaces |
| 13.Dimension Inspection: | Calipers, Height Gauge, Micrometer Calipers, Inside Caliper Gauge, Angle and R Gauge, three coordinates measuring instrument |
| 14. Surface treatment: | Cold/ Hot Zn Plating, Blackening treatment( Salt Spray Test 48-96hours), Ni Plating, Cr Plating, Spraying undercoat, Anti-rust Paint, Surface Paint, Plastic Paint, Coated Anti-Rust Water, Anti-Rust Oil, etc |
| 15. Surface Heat Treatment: | Medium Frequence Quenching, High Frequence Quenching and Carburzing and Quenching, Oil Quenching, Water Quenching, Normalizing, Temper, Annealing, etc |
| 16.Heat treatment Machine: | Mesh-belt Firnace, Carburizing Quench Furnace, Chamber Furnace, etc |
| 17.Packing: | Wood carton, Cardboard Carton, or according to customers' requirement |
| 18.Annual Output: | 8000-10000 Ton |
| 19.Certification System: | ISO 9001 Registered |
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