Product Name: Coil springs for recliner chair Extension spring
We are specialized in producing mattress springs,bonnell springs,spring unit
and offer you lasting,high elasticity and durable bonnell spring with good price.
Descriptions
1. These high carbon spring coils manufactured by auto-machine.
2. counting spring coils to be 500pcs for one set.
3. spring coils in stock.
4. cooking spring coils by the heat treatment machine before loading.
More Characteristics
Specification | According to your requirement. |
Material | Aluminum, copper, iron, stainless steel, aluminum alloy, PD,APET, PVC, Plastic, hot/cold rolled steel plate /steel belt etc. |
Surface Treatment | Zn-plating, Ni-plating, Cr-plating, Tin-plating, copper-plating, the wreath oxygen resin spraying, the heat disposing, hot-dip galvanizing, black oxide coating, painting, powdering, color zinc-plated, blue black zinc-plated, rust preventive oil, titanium alloy galvanized, silver plating, plastic, electroplating, anodizing etc. |
Applications | Automotive, instrument, electrical equipment, household appliances, furniture, mechanical equipment, daily living equipment, electronic sports equipment, light industry products, sanitation machinery, market/ hotel equipment supplies, artware etc. |
Packaging | Inner plastic bag, outer carton box, and we can also pack products according to your requirements. |
Our features | A company with industry and trade integration |
Main Products | Hinge, lever pin, retaining plate, flat gasket, spring gasket, spanner, tensile parts, hardware |
Testing Equipment | Projecting apparatus, Salt Spray Test, Durometer, and Coating thickness tester |
Workforce | A group of experienced production technician, sophisticated engineer and dedicated QC. |
About us | Our company specializing in the production of CNC/AUTO lathe, springs, screws, stamping parts and other metal parts. Our main production modes are designing and proofing based on customers’ drawings or samples. |
Main Markets | North America, South America, Eastern Europe , West Europe , North Europe, South Europe, South Asia, Africa African |
How to order | * You send us drawing or sample * We carry through project assessment * We give you a design * You think the design is ok * We make the sample and send it to you * You think the sample is good then place an order and pay us * We start to make the product * The whole order is done, thank you!! |
Dimensions
Steel Wire Thickness | Size(cm) | Height | Rows | Spring head OD | Barrel OD | Helical Wire | Border | Turns |
| 2.2mm | 90*189 | 14cm | 8*24 | 8.8cm | 5.5cm | 1.55mm | 5mm | 5 |
| 2.2mm | 120*189 | 14cm | 11*24 | 8.8cm | 5.5cm | 1.55mm | 5mm | 5 |
| 2.2mm | 135*200 | 14cm | 12*24 | 8.8cm | 5.5cm | 1.55mm | 5mm | 5 |
| 2.2mm | 150*200 | 14cm | 13*24 | 8.8cm | 5.5cm | 1.55mm | 5mm | 5 |
| 2.4mm | 180*200 | 14cm | 16*24 | 8.8cm | 5.7cm | 1.55mm | 5mm | 5 |
| 2.4mm | 120*200 | 14cm | 11*24 | 8.8cm | 5.7cm | 1.55mm | 5mm | 5 |
| 2.4mm | 135*200 | 14cm | 12*24 | 8.8cm | 5.7cm | 1.55mm | 5mm | 5 |
| 2.4mm | 150*200 | 14cm | 13*24 | 8.8cm | 5.7cm | 1.55mm | 5mm |
Frequently asked questions:
(1). Q: Can you give me a discount price?
A: It is depending on the volume. The larger the volume is, the more discount you can enjoy.
(2). Q: Why is your price a bit higher than other Chinese suppliers?
A: To meet the requirement of different customers and areas, our factory manufactures various kinds of quality for each item at a wide range of price. We can offer the products of different quality levels depending on customer’s target price and quality requirement.
(3). Q: How can I get a sample?
A: Normally small samples can be sent free of charge and customers just need to bear a little shipping charge, or you can provide your DHL,FEDEX,EMS,UPS courier account number to us. For bigger sizes, it depends.
(4). Q: How can you guarantee the quality of mass production is same with the sample sent to me before?
A: Our warehouse staff will leave another same sample in our company, with your company name marked on it, which our production will be based on.
(5). Q: How can you deal with quality issues that customer feedback after receiving the goods?
1) Customers take photos of unqualified goods and then our sales staff will send them to Engineering Department to verify.
2) If the issue is confirmed, our sales staff will explain the root cause and take corrective actions in coming orders.
3) Finally, we will negotiate with our customers to make some compensation.