Product Main

Specifications

1.Material:Spring steel with blacken
2.Wire dia:9.0mm
3.Used to auto,furniture,equipment,industrial
4.Samples are welcomed

Blacken double torsion spring with heavy load(SGS Certificate) 
 
1.Material:steel,stainless steel.brass,aluminum,brass.cooper. carbon steel.
 
2.Surface:zinc plating ,powdered,pas
 
3.All our products are made by high-quality steels and first-class producing process
 
Our Advantage:
  
1
 
Factory
Established in 2000,got SO 9001-2004 approved
2
Casting experience
Over 15rs,OEM service available
3
 
Trade experience
Over 10 years
4
Strong enginnering team
Accurately read drawing,offer competitive price and gurantee good qualitly products
5
Packing
Inner plastic bag , outer carton box, and advised by customer.
6
Surface Treatment
Powder coating,neikel plating,chrome plating,zinc plating,etc and We can make according to your design
7
Production euipment
production line of investment casting introduced from Taiwan,spectrum analyzer device imported from Germany,vacuum melting furnace,CNC machine center...
8
Test Euipment
spectrum analyzer, Physio-chemicalLabora tory
 
9
Production lines
1) The lost-wax casting of stainless steel and heat-resisting steel with silica-gel shell made of mid-temperature wax materials;
2) Two lines of lost-wax casting of carbon steel and alloy steel with water glass shell made of low-temperature wax material;
3) The resin sand casting of ductile iron and gray iron;
4) Non-ferrous casting with investment casting or sand casting process;
5) Advanced machining center.
10
Awared Certificate
in line with European environmental requirements, meet the RoHS standards (SGS test passed)