About YEACHIUAN
Quality Management & Service
We operate with three principles: standard parts first, variation control, and predictable delivery. After receiving your sample photos or drawings, we first match existing specifications and send samples to accelerate validation and reduce cost. Tooling is evaluated only when standard parts cannot meet the need.
Process (starting from samples/drawings)
- Inputs: sample photos or drawings, application & mounting, quantity and timeline.
- Spec matching: map to existing drawer slides, handles and hinges; provide alternatives and gap notes.
- Samples: ship standard-spec samples for on-machine validation.
- Tooling (if required): confirm tooling cost, lead time and risk before kickoff.
- Mass production & delivery: confirm labeling and packaging format per target market, then ship.
Cost & Documentation
- Cost-wise: prioritize standard parts to avoid unnecessary tooling and waiting.
- Lean documents: provide basic outbound check record (appearance, dimensions/fit, labeling/packaging).
- Testing/Reports (on request): specific tests or third-party reports can be arranged upon customer request and payment, with scope and method confirmed beforehand.
Sampling Policy & Defect Classes
Sampling follows common practice with AQL levels set per customer requirements. Defects are classified as Critical / Major / Minor (definitions per contract/customer docs) across appearance, dimensions & fit, function, and labeling/packaging.
KPIs
Primary metrics: OTIF (on-time, in-full), first-pass yield, return rate, and complaint closure time, reviewed regularly to drive preventive improvement.
RFQ Checklist
- Photos of current parts/disassembled parts, drawings if available, original model/reference.
- Key dimensions/stroke/load, finish and color.
- Quantity range and target timeline, destination/ship-to, packaging & labeling format.
Method & Checkpoints
- Spec alignment: key dimensions, tolerances, mating parts, finish & color.
- IQC/IPQC/QA-FQC; first-article and patrol checks.
- Continual improvement via NCR, CAPA and 8D closure.
Sampling & Classes
- AQL levels set per customer; accepted sampling practice.
- Defect classes: Critical / Major / Minor (per contract/customer docs).
- Scope: appearance, dimensions & fit, function, labeling/packaging.
Docs & Cost
- Basic outbound check record (appearance, dimensions/fit, labeling/packaging).
- Testing/reports: on request, customer-paid, scope agreed in advance.
- Standard parts prioritized to reduce tooling and waiting time.
Change & Metrics
- ECN/ECR: request → assessment → validation → document update → effective notice.
- Nonconformance: containment, interim actions, root-cause, effectiveness verification.
- KPIs: OTIF, first-pass yield, return rate, complaint closure time.
Standard Parts vs. Tooling (for decision-making)
| Item | Standard Parts (Preferred) | Tooling (When Needed) |
|---|---|---|
| Lead time | Short; samples and mass production quickly | Includes tooling development period; longer |
| Up-front cost | No tooling cost; materials/packaging per spec | Tooling cost; revision risks |
| Risk | Mature specs; lower risk | Higher customization risk; joint evaluation |
