Product name
|
spring
|
Type
|
Constant force spring | Torsion spring | Tension spring | Compression springBattery spring | Model spring, etc.
|
Material
|
Carbon steel: 4140 | 4130, etc.
|
|
Stainless steel: SS201 | SS301 | SS303 | SS304 | SS316 | SS416, etc.
|
|
Brass: C35600 | C36000 | C37700 | C37000 | C37100 | C28000 | C26000 | C24000 |C22000. etc.
|
|
Copper: C11000 | C12000 | C12200 | C10100, etc.
|
|
Iron: 20#45# | Q235 | Q345B | 1214/1215 | 12L14, etc.
|
Surface Treatment
|
Powder coated | Brushing | Oil spraying | Electro polishing | Sand blasted |Zinc plating | Painting | Nickle plating | Chrome
plating, etc. |
Quality assurance
|
ISO9001
|