

Quality & Certifications
Systematic quality management, measurement traceability and international standards support the reliability and consistency of every measurement product.
Quality Policy
SJ Gauge applies quality management at every stage, from incoming materials and inspection to calibration, testing and delivery. Standardized processes, measurement traceability and data management help us continuously improve product reliability and consistency.
Reliable Measurement
Controlled measurement and calibration procedures help reduce measurement deviations and maintain consistent product performance.
Process Management
We establish standardized procedures for incoming inspection, calibration, durability testing and equipment management.
Measurement Traceability
Key reference equipment is calibrated by accredited external laboratories to maintain measurement traceability.
Continual Improvement
Calibration records, quality data, nonconformity analysis and risk management support continual improvement of our quality system.
Quality Management Process
Each stage has defined inspection, testing and recordkeeping requirements. Quality is built into a controlled workflow throughout the process, extending beyond final inspection.
Incoming Inspection
Materials, components and appearance are checked against specifications, and nonconformities are identified before further processing.
Dimensional & Functional Inspection
Required dimensions and performance are checked against drawings, specifications and functional requirements.
Leak & Performance Testing
Leak, pressure resistance or performance tests are carried out according to product and application requirements.
Calibration & Traceability
Measurements are compared against controlled reference standards, with the required calibration and traceability records maintained.
Final Quality Check
Appearance, specifications, indications and required documents are checked against order and inspection requirements.
Records & Delivery
Inspection and shipping records are compiled, and products are packed and identified before delivery to the customer.
International Standards & Quality Management
SJ Gauge develops its quality and measurement management processes with reference to relevant international standards covering quality management, pressure and temperature measurement, dimensional tolerances, sampling inspection and measurement traceability.
Quality Management
Pressure Measurement
Temperature Measurement
Inspection & Manufacturing
Certificates & Documents

Weights and Measures Business License
Issued by the Bureau of Standards, Metrology and Inspection (BSMI), Ministry of Economic Affairs, authorizing the import of weights and measures instruments.

New Taipei City Factory Registration
Factory registration approved by the New Taipei City Government Economic Development Department, providing a reference for verification of the manufacturing site and business operations.

Importer and Exporter Registration
Business registration information from the International Trade Administration, Ministry of Economic Affairs, for international buyers to verify the company name, address and import/export registration.

D&B D-U-N-S® Business Verification
Business verification for international buyers and partners to check the company’s identity and business information.

TÜV Rheinland / Taiwantrade Supplier Verification
Third-party supplier verification. The available public information does not specify a product certification scope.

New Taipei City Industrial Association Membership Certificate
Membership in the New Taipei City Industrial Association reflects participation in the local manufacturing community and industry exchange. It is not a product certification.

SJ Trademark Registration Certificate
Documents the SJ brand trademark and registration details for customer and partner reference.
Need Quality Documents or Product Certification Information?
Contact the SJ Gauge team if your project requires product specifications, test reports, certification information or other technical documents.

