Raw Materials

Materials

Qualified steel wire sources, incoming inspection, and batch management support consistency from raw material to shipment.

Incoming raw materials for spring manufacturing

Material sourcing and incoming inspection directly affect spring stability, especially when buyers require consistent fatigue life and force performance.

Traceable supply

The material page summarizes source mills and batch management practices that support communication with buyers on spring steel selection.

Material Traceability Flow

Material control is shown as a practical release path, not just a supplier list.

Qualified source selection

Material sources are chosen around spring type, fatigue demand, surface requirement, and customer specification context.

Incoming inspection

Wire or strip condition, diameter or thickness, and certificate alignment are checked before production release.

Lot identification

Accepted material lots remain tied to production and inspection records rather than being mixed into anonymous stock.

Process matching

Material choice is reviewed together with forming route, heat treatment, and validation requirements.

Batch release and packaging link

Material traceability stays visible through final inspection and shipment packaging where the program requires it.

materials

Material Sources

  • Suzuki Japan music wire
  • South Korean KOS Elephant Brand steel wire
  • South Korean Manho steel wire
  • German Roslau steel wire
  • Sinosteel high carbon steel wire

materials

Material Control

  • Material certificates
  • Incoming inspection standard
  • Batch management
  • Source traceability for production lots

Material Visuals

Material Stock and Certificates