Quality Assurance

Quality Management System

ISO 9001:2015 Certified Manufacturing Exceeding Global Standards

At HERTZ PRECISION INDUSTRIAL CO., LTD, quality is the core foundation of our contract manufacturing services. We fully operate under an ISO 9001:2015 certified Quality Management System, establishing rigorous standardized operating procedures from initial raw material verification to final export shipment.

Our ISO certification reflects our long-term commitment to continuous improvement, strict dimensional precision, comprehensive lot traceability, and total customer satisfaction for industrial buyers across North America, Europe, and Japan.

Official Certificate

ISO 9001:2015 Certificate - Hertz Precision Industrial Co., Ltd.
Quality Control System

Our Four Pillars of Quality Assurance

We integrate advanced inspection technology with ISO-compliant discipline across every stage of production.

IQC Phase

Incoming Material Verification

100% verification of raw material lots, mill test certificates (MTR), chemical composition checks, and RoHS/REACH compliance prior to machining release.

IPQC Phase

In-Process Quality Control

First Article Inspection (FAI) combined with scheduled SPC sampling on multi-axis CNC machines to maintain tight drawing tolerances and surface finishes.

OQA Phase

Final CMM Inspection

Comprehensive 3D Coordinate Measuring Machine (CMM) dimensional checks, optical comparator verification, and pre-shipment quality audit documentation.

Export Phase

Traceability & VCI Packaging

Full lot traceability records paired with specialized VCI anti-rust treatment and reinforced export crating for safe, ocean-ready delivery.

Ready to Partner with an ISO Certified Supplier?

Send us your 2D/3D technical drawings and project specifications. Our engineering team will review your requirements and reply with a detailed quotation.