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About Us
Our Story
From Our Family Factory to the World
SEIGO Machinery represents the exclusive export division of a premier hydraulic cylinder manufacturing base established over 30 years ago. Unlike standard trading companies, we are deeply rooted in production. We connect international buyers directly with our family-owned facility, eliminating middlemen and ensuring distinct quality control. At SEIGO, we combine the technical depth of a veteran manufacturer with the agile service of a modern export partner.
Established with a vision to redefine industry standards, SEIGO stands as a testament to passion, experience, and an unwavering commitment to delivering unparalleled solutions.
Industry Recognition
Our recognition is built on tangible capacity and precision. We operate a facility capable of producing 6,000+ hydraulic cylinders monthly, serving both domestic OEMs and international markets. We specialize exclusively in heavy-duty cylinders for construction machinery, ensuring that every unit meets the rigorous demands of brands like Komatsu, Hitachi, and CAT. Our automated production lines ensure consistency that small workshops cannot match.
Established with a vision to redefine industry standards, SEIGO stands as a testament to passion, experience, and an unwavering commitment to delivering unparalleled solutions.
Why Choose SEIGO?
At SEIGO Machinery, we understand that reliability is the heartbeat of your machinery. Unlike trading intermediaries, we offer factory-direct access to a manufacturing base with over three decades of history. Our ISO 9001 certified facility ensures that every cylinder we export meets global standards for precision, durability, and performance.
30-Year Manufacturing Heritage: Backed by a family factory established in the 1990s, we bring decades of hands-on production experience, ensuring precise tolerances and structural integrity for every unit.
ISO 9001 Certified Facility: Our quality management system is strictly aligned with ISO 9001:2015 standards. We enforce full traceability from raw material sourcing to final inspection to guarantee consistency.
100% Pressure Testing: We adhere to a zero-defect policy. Every single cylinder undergoes rigorous pressure testing before shipment to guarantee leak-free performance under extreme working conditions.
Major Brand Compatibility: Our cylinders are engineered to perfectly replace original parts for major excavators, including Komatsu, Hitachi, and CAT, offering OEM-level fit and function without modification.
Why We Lead
Your Long-Term Supply Partner
Building Stability in Your Supply Chain
At SEIGO Machinery, our goal is not just to sell cylinders, but to become the backbone of your inventory. We understand that distributors need consistent lead times and stable pricing to compete.
We pledge to support our partners with transparent production tracking, priority shipping for urgent orders, and continuous technical support. When you partner with SEIGO, you are securing a factory source that prioritizes your reputation as much as our own.
