Product Name: High Quality Sofa Spring Factory Anti Rust Roll Zigzag Spring Condition: New Usage: Chair, Sofa, Cabinet, Bed Material: Steel Colour: Origine Packing: Polybag,Pallet Wire Diameter: 2.6-4.3mm Style: Waved Surface Treatment: Anti-Rust Treatment Size: as Your Request Trademark: Customized Transport Package: 200-400 PCS/Bag; 5000-10000 PCS/Pallet Specification: Customized Origin: China HS Code: 7320909000 Product Description Established in 1989 manufacturing Furniture Raw material Ø Machine Accessories supplier for bedding, upholstery and furniture industries.It runs the business from design, mould developing, production, packing to sale, it is a big enterprise with one step production and marketing.Covers an area of 25, 000 square meter, has the advance production machines, equipment and professional teams of managing, technical and sales. We believe that continued investment in product development with our commitment to total customer focus keeps us at the forefront of our industry.To exist by quality to develop by credit standing is tenet of our factory. Welcome to send us drawings and samples and cooperate with us. We always keep improving and innovating and serve every clients cordially.Flat spiral spring, Biconical coil spring, Coil spring, Spiral spring, bonnel spring for sofa is a kind of sofa spring,they distribute great quality,durability,and utility to sofa and seat.Specifications:SpecificationsFunctional Zigzag SpringMaterialHigh Carbon SteelWire Diameter2.80mm-4.30mmLoop Width17mm-35mmInside Diameter40mm-60mmNumber of Turns4-9turnsLoop Height40mm-65mmPackingKnitting bag,usually 200-300pcs/bagDelivery time15 days after receicing depositPaymentT/T or L/CFeatures:-.Heat-treated for durability and high resistanct to fatigue-.Matetial:high carbon steel-.Surfac finishing:zinc chrome plating, powder coating color painted...-.Pack in knitted bag or palletFAQ:1.Q:Do you have your own production factory? A:Yes,we have our own factory.2.Q: Can you send us samples? A: We are pleased to send you the sample to test the quality and market.3.Q: about your products, could you do it OEM? A: Yes, OEM service is available.4.Q: For the product, could you spray other color of painting? A: Yes, color can be customized.6.Q: What's the delivery time? A: It usually about 15 days after receiving deposit.7.Q: How is the payment terms? A: Normally T/T 30% in advance and T/T 70% before shipment.8.Q: Can I mix different models in one container? A: Yes, different models can be mixed in one container, but the quantity of each model should not be less than MOQ. 9.Q: How does your factory do regarding quality control? A: We always pay great attention to quality control from the very beginning and every product was tested piece by piece before delivery.10.Q: Do you have quality certification? A: Yes, we have CE, SGS,ISO, ect.