Certifications & Patents
Verified quality systems and proprietary manufacturing technology.
Management System Certifications
ISO 9001:2015
Quality Management System — design and manufacture of extrusion press components and marine shafting parts.
ISO 14001:2015
Environmental Management System — responsible manufacturing across our 25,000 m² facility.
ISO 45001:2018
Occupational Health & Safety — safe operations in heavy machining, lifting, and heat treatment.
Utility Model Patents
Patent 01
Large metal workpiece drilling device with quick-change drill bits
Patent 02
Pipe drilling fixture with easy waste removal
Patent 03
Large square-stock drilling mechanism for lathes
Patent 04
Lathe fixture with precision positioning for large workpieces
Quality Assurance Statement
Every certificate and test report referenced on this site is available for verification. Contact us for certified copies, audit arrangements, or third-party inspection at our Dalian facility.