Basic Info
Model NO.: HZF-515
Material: Stainless Steel
Extension Spring Classification: Customized
Load Type: Compression
Diameter Coil Spring: Large coil springs
Shape: Coil
Delivery Date: 15-30 Days
Surface Finish: Customized
Transport Package: Crate or Plywood Case or as Customers′ Request
Origin: Shandong, China
Function: Drive
Extension Spring Material: Stainless steel
Usage: Auto, Motorcycle
Compression Spring Shape: Non-circular
Production Process: Cold Roll
Size: Customized
Port: Qingdao Port
Trademark: goldstar
Specification: SGS/ISO/BV
HS Code: 8408945Product Description
Key Specifications/Special Features
Name | Spring pitch changeable |
Materials | customized |
Advanced manufacturing and testing equipment | |
Strict quality control and management | |
Applications: | all kinds of cars, machines, electronic products,electric appliance, cameras, stationery, computers, power switches,miniature switches, architecture, commodity and home appliance, A/Vequipment, hardware and plastic molds, sports equipment andgifts |
Inspection: in-house and third party
All the products are strictly inspected by operator and skilled QC with record put down.
Universal inspection tools: three-coordinates measuring machine,hardness tester, Height ruler, Depth ruler, Outside ruler, Venire Caliper, etc.
goldstar can provide you with many kinds of forged parts, and all we need is your samples or prints. goldstar devotes ourselves to forging, casting and die casting parts with machining process.
Our products include conveyor chains, crank shafts, gears, ball joint, hitch ball, trailer parts, spindles, steering knuckles, hubs, nuts and so on.
Quality Control
We can supply forging part with follow test reports :
1)Chemical composition report
2)Tensile strength report
3)Brinell hardness report, Rockwell hardness
4)Metallographic structure report
5)Key dimension checking record report
6)Full dimension report
7)Third-party test report




