Quality Control
Quality is Our Bottom Line — and Our Lifeline
From raw material to finished product — 7 inspection steps, strict quality control.
Quality Control
Quality is Our Bottom Line — and Our Lifeline
Because we only do lost foam, we know quality better. Every process has its quality control points, and we've mastered them all over 15+ years. We know where problems occur, so we can prevent them.
Knowing where problems occur is the key to preventing them.
From Raw Material to Finished Product — 7 Inspection Steps
Raw Material Inspection
Pig iron, scrap steel, alloy materials — incoming inspection with material certificates for every batch.
Foam Pattern Inspection
Dimensional accuracy, density, surface quality — 100% inspection before proceeding.
Coating Inspection
Coating viscosity, thickness, drying degree — strictly controlled.
Pre-Pour Inspection
Spectrometer analysis of melt composition — no pour until approved.
Pouring Process Control
Pouring temperature, speed, vacuum parameters — strictly per process specification.
Finished Product Visual Inspection
100% visual inspection — no product leaves with surface defects.
Dimensional & Material Inspection
Critical dimensions 100% inspected, material report provided for every heat.
Testing Capabilities
Spectrometer
Material composition analysis
Brinell Hardness Tester
Hardness testing
Universal Testing Machine
Tensile strength, elongation testing
Charpy Impact Tester
Impact toughness testing
Metallographic Microscope
Metallographic structure analysis
Our Quality Commitment
- Material not up to standard — full refund
- Dimensional non-conformance — free repair or remake
- Quality issues — respond within 24 hours
- Third-party inspection supported (SGS, BV, TUV, etc.)
Common Lost Foam Issues & Yuexian Solutions
10 Major Customer Concerns About Lost Foam Casting
Summary
| Category | Core Concern | Yuexian Solution |
|---|---|---|
| Quality Issues | Carbon defects, porosity, shrinkage, accuracy | Low-gas material + segmented vacuum + professional coating + process inspection |
| Cost Issues | Expensive molds, small batches not cost-effective | 1-piece MOQ, zero-cost prototyping, mold fee return |
| Capability Issues | Large parts / thin walls / material limitations | 5-ton capacity, thin wall specialized process, multi-material coverage |
| Environmental Issues | Smoke, solid waste | Dust collection system, sand regeneration, environmental compliance |
Yuexian Foundry has specialized in lost foam casting for 10+ years. We've encountered more problems than you can imagine. We don't avoid problems — we only provide solutions.