ZHONGJIA WOOD ZHONGJIA WOOD
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QUALITY MANAGEMENT

Quality Control System

Traceable quality gates from incoming materials through production to finished-product inspection.

Core Control Indicators

Key figures for production control and product acceptance.

≤14%Moisture
±0.5mmTolerance
≥0.6MPaStrength
1%Warpage

Quality Gates

Inspections are performed across material, process and finished-product levels.

01

Incoming Inspection

Checks poplar material, veneers and adhesive systems.

02

In-Process Inspection

Monitors lay-up, cold pressing, hot pressing and core repair.

03

Final Inspection

Checks dimensions, appearance, moisture and structural performance.

04

Document Traceability

Maintains batch, test and certification records.

04

MECHANICAL LABORATORY

Mechanical Tests

Supports structural-performance verification for plywood and LVL.

01

Shear Strength

Evaluates resistance to shear failure.

02

Static Bending Strength

Evaluates ultimate performance under bending.

03

Modulus of Elasticity

Evaluates stiffness and deformation control.

Applicable Standards

Testing can follow relevant Chinese and European standards.

GB/T 20241, GB/T 9846, EN 14374

Specific tests and standards are selected by product, market and buyer requirements.

07

ENVIRONMENTAL LABORATORY

Equipment & Tests

Supports environmental, bonding and moisture-related evaluation.

01

Boil-Bond Test

Evaluates bonding durability and delamination.

02

Climate Chamber

Conditions samples under controlled climate.

03

Spectrometer

Supports relevant component and indicator analysis.

04

Drying Oven

Supports moisture testing and sample preparation.

Standards & Cooperative Laboratories

Supports EN 717-1 and CARB P2 related testing with SGS, TÜV Rheinland and ITCS cooperation.

Internal Testing + Third-Party Verification

Internal and third-party testing can be combined based on buyer and market needs.

Turn your requirements into a buildable panel solution

Share product type, size, thickness, quantity, application, destination and certification needs for a tailored proposal.

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