About Our Corporation
Company Profile
Who We Are
Established in 1999 in Cangzhou, China, QC Hydraulics began as a precision machining workshop dedicated to stainless steel hydraulic fittings. From day one, we’ve believed that every connection is more than a part—it’s a commitment to reliability.
Over the last two decades, QC Hydraulics has grown into a trusted global supplier of stainless steel hydraulic fittings, adapters, and PTFE hose assemblies. We ensure tight tolerances, clean finishes, and full pressure-tested products that exceed international expectations.
What We Believe
At QC Hydraulics, we focus on doing one thing—and doing it better than anyone else: stainless steel hydraulic connections. We don’t chase volume. We pursue precision. Each fitting leaving our factory represents our dedication to detail, consistency, and the safety of your system.
Who We Serve
We are proud to be the quiet force behind many international brands. Whether you’re an OEM, an industrial distributor, or an MRO buyer, you can count on QC to deliver quality you can trust, service that responds, and support that grows with your business.
Looking Ahead
As we continue to grow, our mission is clear: not only to be your supplier—but your long-term partner. We aim to build a global brand that stands for precision, integrity, and stainless steel expertise.
QC Hydraulics — Stainless Precision. Global Connection.

Quality Assurance & Service
At QC Hydraulics, the design and durability of each fitting assure long-lasting service, even in strongly corrosive and abusive environments. To prove our superior quality, we back up every fitting with product traceability.When you find any poor quality fittings from QC Hydraulics, we guarantee we will 100% make a new replacement for free if you are able to provide the evidence of poor quality fittings.(Traceability code, photos, videos or original samples)
QC Hydraulics has exactly what your customers are looking for. Make QC Hydraulics the single source for all of your stainless steel hydraulic fittings and adapters.
Whether you have an emergency or an ongoing need, give us an email or a call. We deliver the fittings you want, along with the quality, service and competitive price you deserve.
Company Strengths
QC Hydraulics as one of few manufacturers processing stainless steel hydraulic fittings only, all of our stainless fittings are manufactured to the highest standards, meeting or exceeding SAE,DIN,ISO,BS,JIS and international specifications.
We control our own manufacturing, so if you’re in need of a custom solution the engineering team can help with anything from creating a drawing to developing a prototype. This also means controlled quality, as an ISO 9001:2015 certified company, QC Hydraulics adheres to the most stringent quality control practices, assuring exceptional products.


Plant Size
QC Hydraulics covers an area of 5,000 ㎡ with two manufacuturing shops.50+ high precision CNC lathe machines that designed for processing stainless steel material only.
In addition, there are more 50+ necessary relevant corollary equipment. Such as, cutting machines, drilling machines,crimp machines, bending machines, inspection machines, pressure test machines and etc…