Custom Heavy Duty Stainless Alloy Steel Double Torsion Spring with Round Hooks

• Customization: Available
• Material: Stainless Steel
• Surface Finishing: Polish
• Model NO.: Spring with Round Hooks
• Grade: A4-70,A2-50
• Certification: ISO, CE
• Customized: Customized
• MOQ: 1000PCS
• Application: General Industry
• Delivery Time: 25 Days
• Durability: Enhanced
• Sample: Free
• Transport Package: 25kg/Carton+Pallet
• Specification: M5-M39
• Trademark: FAST
• Origin: Ningbo, Zhejiang
• HS Code: 7318151001
• Production Capacity: 2500 Tons/Month

Product Description

Product Description

Material Option	Steel, carbon steel, Stainless steel, Alloy steel etc.
Wire Diam eter	0.06mm-15mm
Customizable	Can made by your drawings, sample and dimension
Surface Treatment	White zinc plating, Color zinc plating, Nickel plating, Chrome plated.Cataphoresis, Become black, Powder coating, Apply oil ,paint or as customers
Application	Aviation, automotive, motorbike, bicycle, automatic equipment, householdappliance, medical device ,toy, telecommunication, computer. instrument andmeter. furniture, electric tools, mold and other industries
Certification	ISO9001

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Company Profile

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FAQ

 

FAQ
Q1.   What is your main products?
Our main products are fasteners: bolts, screws, rods, nuts, washers, anchors and rivets.
Meantime,our company also produces stamping parts and machined parts.
Q2.   How to ensure that every process's quality
Every process will be checked by our quality inspection department which insures everyproduct's quality.
In the production of products, we will personally go to the factory to check the quality of products.
Q3.  How long is your delivery time?
Our delivery time is generally 30 to 45 days. Or according to the quantity.
Q4.  What is your payment method?
30% value of T/T in advance and other 70% balance on B/L copy.
For small order lessthan1000USD, would suggest you pay 100% in advance to reduce the bank charges.
Q5.   Can you provide a sample?
For new customer, sinofastener can provide free samples for standard fastener, But the clients will pay the express charges.
For old customer, We will send you free samples and pay express charges by ourself.
Q6.  Are you a manufacturer or trading company?
sinofastener is a manufactured of fasteners factory have many years of Bolts, Nuts, Threaded Rods and Washers experience in Ningbo, China
Q7.  Are OEM/ODM services provided?
Yes, accept OEM/ODM.
Q8.  How about your price.
High quality products with reasonable price.
Please give me a inquire,
sinofastener quoted you a price for you refer at once.
Q9.  How do you control your quality.
We request QC inspect every productions links for each bacth goods.
And we can provide you MTC and mill certificate when the goods is finished.

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