Foshan Nanhai Xulong Spring Factory
XULONG SPRING wire spring solution trusted since 1979
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Black Coated Elevator Springs / Extension Coil Springs 4.0MM Wire Diameter
Specifications:
| Material | spring steel |
| Wire diameter | 4mm |
| Outside diameter | 35mm |
| Free length | 414mm |
| Total coils | 57.5 |
| Active coils | 57.5 |
| Direction | left |
| End type | half and long hook |
| Hardness | HRC 45-48 |
| Surface treatment | black cataphoresis |
| Usage | elevator part |
Description:
We hold industry expertise in manufacturing and supplying comprehensive range of elvator springs manufactured from metal that offers efficient solution to meet various demands of the industry,
our elevator springs including tension springs,compression springs and leaft springs which used in safety gear.
by the way,all of our springs can be made as per your drawings or samples,also the elevator springs.
Advantage of XULONG SPRING
1. rich experience:XULONG make spring since 1979
2. As the biggest spring factory in Foshan city,we make 400-500 tons of springs each month
3. Our springs used in wide range with wire diameter 0.08-60mm
4. XULONG SPRING passed TS16949 certificated
5. High quality material related high quality springs,we have imported material in stock
6. XULONG SPRING own full range of testing equipment,can test force,tensile strength,fatigue life and metallographic structure
7. Professional technology team,all our technicist have worked in spring field for more than five years and can develop new products with customer together
8. Excellent customer service,you can contact us online any time.
9. XULONG SPRING own abundant experience of providing OEM service
10. Reasonable price,quick delivery
for your elevator balance springs,welcome to contact us!