Shandong, China · Founded in 2002Gaomi City, Shandong Province, ChinaFounded in 2002Drawing-Based OEM ProductionGlobal Export SupportEmail: kai@jkcasting.com

Quality Control

Quality Control for Drawing-Based OEM Metal Parts

Quality control starts before quotation and continues through material review, process confirmation, production, inspection, packing, and shipment readiness.

Trust focusClear checkpoints help overseas buyers reduce part, assembly, and delivery risk.

Quality Control System

Practical checkpoints for custom castings and machined parts.

Handheld material inspection before quotation review

Quality Control Before Quotation

Review drawings, sample conditions, material, tolerance, and application before pricing.

Engineering drawing review and specification discussion for custom metal parts

Drawing and Specification Review

Check key dimensions, fit requirements, surface notes, and functional requirements.

Material testing equipment for process confirmation

Material and Process Confirmation

Confirm material grade, casting route, machining plan, treatment, and inspection items.

Dimensional inspection for machined metal parts

Dimensional Inspection

Check critical dimensions and drawing requirements before shipment.

Final check for finished custom metal parts

Surface Treatment Review

Review finish, protection, packing impact, and project requirements.

Packing check before overseas shipment

Packing and Final Shipment Check

Confirm packing and shipment readiness for overseas OEM buyers.

Inspection Confidence

Quality support built around buyer requirements.

For custom metal parts, the most important quality points usually come from drawings, application conditions, tolerances, surface finish, and packing requirements.

  • Drawing review
  • Material confirmation
  • Process confirmation
  • Key dimension check
  • Surface finish review
  • Packing check
  • Shipment readiness check

Buyer Checklist

  • Drawing review
  • Material confirmation
  • Process confirmation
  • Key dimension check
  • Surface finish review
  • Packing check
  • Shipment readiness check

Send your quality requirements.

Share drawings, tolerance requirements, inspection needs, material grade, and application environment.