Spiral Compression Spring Helical Compression Spring

 Spiral Compression Spring   

Specific	Spiral Compression Spring
1.Wire Dia.	0.08-8.0mm
2.Material	SUS,SWC,SWP
3.MOQ	5,000pcs
4.MPN	1000,000pcs/Even higher
5.Endurance Limit	5,000,000 Times
6.Engineering	Product Analysis,Design,Test,Validation ect
7.Usage of spring	Tooling ,Auto ,Industrial
8.Payment Terms	T/T,L/C,Western Union or Escrow.
9.Type of Shipping	By Sea,Air,Express.
10.Lead Time	Within 7-15 working days after order confirmed, also based on the order quantity.
11.Processing Craft	Material purchased-production-heat treatment-surface treatment-quality detection -package-shipping.
12.Heat Treatment	Tempering, Stress Relieving, Spheroidizing.
13.Packing of spring	PE bags,Cartons,Pallets.
14.Standard	ISO9001-2008, SGS Certificate,ROHS Report.
15.Test Equipments	Projector , digital hardness tester,digital torsionstrength tester.digital tension and compression strength tester .  elasticity tester. life tester , salt spray test machine etc.
16.Quality Control	1.PPAP,SPC,FMEA,MSA quality management. 2.Tolerance control : DIN, JIS Standard. 3.Manufacturing processes inspection per hour and per batch. 4.Traceable  management  thoughout all process from raw material to customers.
17.Advantage	We are good at producing highdifficult,extremelyaccurate, reliable products,and providing innovative solution,  Solid service for you!

     

r spring spec.,we can make spring based on your requirements.

19.Discount offered if with large order quantity.

20.100% return goods or refund payment if quality problem.

21.Established in 2004,but the company’s employees have 20 years of spring production technology experience.

       Donva spring    1>9 years of experience in producing springs
2>design as customer's requirement
3>competitive price good quality and good service
4>specialized in producing precision small spring with Wire Dia from 0.1mm-5.0mm
5>OEM's accept       How to order
1.you send me your drawing or sample
2.we offer you a fixed price
3.when you confirmed the price,we start to prepare the sample
4.after confirmed the sample,you place an order
5.after order received,service is important during using period       We import the most sophisticated computer compression spring machine from Taiwan; it can    do 100 percent inspection to spring length, which ensured the spring quality stable and precise.