QC Hydraulics, An ISO Certified Manufacturer of Stainless Steel Chemical Injection Products

QC Hydraulics, a leading Chinese manufacturer and supplier, specializes in chemical injection products and oilfield parts for the oil & gas industry. With more than 20 years of experience. QC Hydraulics serves major manufacturers, wholesalers, and distributors in North America. The company prioritizes reliable quality, prompt delivery, and professional service. For high-quality oilfield products customized to the industry’s needs, contact Hydraxio’s specialized overseas sales team.

Stainless Steel Tank Bulkhead Fittings

QC Hydraulics offers stainless steel bulkhead fittings designed for Poly or Cross-Link chemical tanks. These fittings are produced using a no-weld tooling system and are made from top-quality 316 stainless steel. Each fitting is equipped with a dependable, no-leak gasket, ensuring secure and efficient performance.

Size: 3/4″, 1″ and 2″

Gasket: EPDM and XLPE

Thread: NPT

Material: SS 316/CF8M

Application: Water, Poly or Cross-Link chemical tanks.

Stainless Steel Ball Valves

QC Hydraulics, with years of experience, provides stainless steel ball valves. These valves are a form of shut-off valve, ideal for applications where basic ‘on’ or ‘off’ flow control is needed. They are user-friendly, allowing for the flow to be “opened” or “shut off” through a simple 90-degree rotation of the handle.

Size: 1/4″-2″

Type: 1 PC, 2 PC & 3 PC


Handle: Locking device handle & Butterfly

Bore: Full Bore & Reduced Bore

Pressure: 1000 PSI & 2000 PSI

Inspection Testing: API598, EN12266

Medium: Water, Oil & Gas

Stainless Steel Y-Strainer Assembly

QC Hydraulics provides a stainless steel Y-Strainer Assembly, marking a notable innovation in the chemical tank industry. This advanced product replaces the traditional three-piece combination of a Y-Strainer, Tee Fitting, and Butterfly Ball Valve. Crafted from 316 stainless steel, the assembly stands out with its one-piece, no-weld construction. This design significantly boosts durability and leak resistance, minimizing the risks typically associated with joint assemblies and conventional welding techniques.

This kit comes with:

1) 1/4″ NPT Female Y Strainer

2) 3/4″ NPS Female Ball Vavle

3) 3/4″ NPT Male Tee Fittings

Material: SS 316/CF8M

Sight Glass Gauge

QC Hydraulics Sight Glass Gauges, constructed from aluminum, feature a well-established engineering design that guarantees dependable indication and exceptional longevity. These glass tube flow meters are equipped with premium, easy-to-read glass, making them an optimal selection for chemical products and tanks.

This kit comes with:

1) Sight Glass

2) Aluminum Body

3)Viton O-Ring Seal

4) One 1/4″ NPT Male Adapters, One 1/4″ NPT Male Female Reducer

Stainless Steel InLine Check Valve

QC Hydraulics provides the Inline Check Valve, designed for superior performance, offering a cost-effective way to prevent backflow in both high and low-pressure fluid systems. Constructed from top-grade 316 stainless steel, this valve is capable of handling pressures up to 6000 PSI.

Size: 1/4″, 3/8″ & 1/2″

Thread: NPT, BSPT, JIC

Material: SS 304, SS 316/316L

O-Ring: FKM/Viton, Buna-N/NBR & Teflon

Stainless Steel NPT, JIC Fittings & Adapters

QC Hydraulics’ stainless steel JIC and NPT fittings and adapters meet SAE and ISO standards, which are interchangeable with Parker & Eaton.

Size: 1/4″-2″

Shape: Straight, 45 & 90 Degree Elbows, Tee & Cross


Material: SS 304, SS 316/316L

Stainless Steel Instrumentation Tube Fittings

QC Hydraulics supply stainless steel instrumentation tube fittings that are compatiable with Swagelok and SSP.

Our stainless steel twin ferrule tube fittings not only meet but also exceed international standards. Specializing exclusively in stainless steel, including AISI 304, AISI 316/316L. Trust in our dedication to excellence, as we provide compression tube fittings that set the industry standard.

Imperial Size: 1/8″-2″

Metric Size: 6 mm-25mm

Shape: Straight, 45 & 90 Degree Elbows, Tee & Cross


Material: AISI304/1.4301, AISI316L/1.4404

Stainless Steel Braided PTFE Hose Assembly

QC Hydraulics is supplying SS braided PTFE hose asssembly has been field tested and engineered specifically for the chemical applications in the oil and gas industry. Engineered and manufactured from high quality 316 stainless steel braided that protects the PTFE lined. 4 to 1 safety rating 3000 PSI working pressure and burst pressure rating 12,000 PSI. On request we can provide custom lengths.

Standard: SAE 100 R14

Hose Size: 1/4, 3/8″ & 1/2″

Working Pressure: 3,000 PSI

Burst Pressure: 12,000 PSI

Working Temperature: -40℃ to +260℃

Material of Wire Braids: SS 304, SS 316

Inside Hose: PTFE, FEP

Hose Fittings: JIC Female, Tube Stub

Technical Support

QC Hydraulics has the capability to engineer, design and manufacture from a concept to the real products.

The QC Hydraulics’ Stainless Steel Chemical Injection Products Represent Long-lasting Durability

QC Hydraulics’ stainless steel hydraulic hose fittings meet SAE, JIS, DIN, ISO and international standards. We are focused on stainless steel only. The main raw materials include AISI 304(1.4301), AISI 316L(1.4404) & AISI 316Ti(1.4571).

  • One piece crimp & Two piece available

  • Competitive wholesale prices

  • Quick & On-Time delivery

  • Material test certificate available

  • High precision with 100% tolerance controlled

  • Impulse test & Hydraulic test

QC Hydraulics, A Manufacturer Of Stainless Steel Chemical Injection Products

For Oil & Gas Industry

QC Hydraulics has been a leading manufacturer of stainless steel hydraulic fittings ahd oilfied parts since 1999. Our ISO 9001:2015 & ISO 14001:2015 certifications and commitment to outstanding technology, strict quality control, and professional service have earned us a strong reputation both domestically and abroad.

We specialize in stainless steel materials and offer a diverse range of products including hydraulic hose couplings, adapters, tube fittings, instrumentation tube fittings, push-on hose fittings, and SS braided Teflon hose assemblies, all meeting or exceeding SAE, JIS, DIN, ISO, and international standards. Our focus on high-quality products has earned us recognition from global hydraulic & industrial wholesalers/distributors and OEMs in industries including hydraulic, pneumatic, oil & gas, chemical, marine, and shipbuilding.

At QC Hydraulics, we believe in creating value for our customers and building long-term partnerships based on fairness and trust. We look forward to working with you and achieving a shared future.

Choose QC Hydraulics, Choose Quality.

  • State of The Art Facilities

  • Over 20 years’ Manufacturing Experience

  • Highly strict Quality Control & Inspection

  • Annual production capacity Over 4.5 million of fittings

  • ISO 9001 & 14001 Certified

Why Choose Us

Global Sales Network:

QC Hydraulics’ worldwide customers include big wholesalers, distributors, big brand manufacturers of hose and fittings, and OEMs. Meanwhile, we are looking for worldwide reliable partners to distribute the stainless steel hydraulic fittings under our brand. If interested, please feel free to contact us for further negotiation.

We Generate Results for Our Customers

We generate results for our customers

“I always believe in QC Hydraulics’ quality. My quality manager and I visited QC Hydraulics in 2016. We were very impressed by their advanced facilities, strict quality control and inspection procedures. Besides, when I ask a drawing or technical support from QC Hydraulics, they always response me in time. So far, we have been working with QC Hydraulics for over 7 years, they never let me down. We would definitely continue to buy more hydraulic fittings from QC Hydraulics.

Dorothee Jungeblodt , Germany

“I am very happy with the on time-delivery provided by QC Hydraulics and they are excellent in handling delivery requests every time. To ensure timely delivery, QC Hydraulics’ team have been working on effective arrangements and their service has a level of service that is well proven. The only issue is that sometimes their prices are a bit higher than other competitors, but overall, I would still choose QC Hydraulics because they offer fast response and always one-time delivery.

David Michael , America

frequently asked questions

For the popular sizes of HY & 43 series hose fittings, we do keep some inventory for them. Even if we don’t have stock, we have commonly used raw materials in stock, so we can make a very quick delivery time for the urgent orders.

Sure, when we design a new hose fitting, we first crimp on hydraulic hoses and do pressure testing, so all of crimp specs are available in our system.

It depends on the order volume and if we have them in stock or not. If we have the hose fittings you are looking for in stock, we can ship it within 1 working day after receiving the PO. If we don’t have the fittings in stock, normally it takes 7-45 days for production that depends on the order volume.

30% down payment in advance, balance payment against the copy of BOL. But for the serious buyer, we are open to discuss the more flexible payment terms.

Yes we can, actually we are also doing OEM service for several of worldwide big brand manufacturers of stainless steel hydraulic fittings, which greatly reduce their production costs, and help them win more market share.

Our hose fittings are interchangeable with Parker & Eaton design, which are designed for hydraulic hoses. Like 1 &2 wire braided hydraulic hoses, 4 & 6 sprial hydraulic hoses, PTFE hoses…So our hose fittings can be use for most of brand hoses. Like Parker, Eaton/Danfoss, Manuli…

Sure, when we design a new hose fitting, firstly we crimp the hose fitting on hose and fabricate hose assembly and do impulse test. So impulse test report is available.

No MOQ requests if we have the fittings in stock. If no stock, normally our MOQ is 200 pieces of each size. For the trial order, we can accept lower MOQ to start the cooperation. Like 100 or 50 pieces.

Sure, we can provide samples for evaluation firstly. Besides, we have the ability to produce samples according to the customer’s drawings for samples.

Let’s QC Hydraulics help you achieve business success today!


* Any questions or inquiries, our professional overseas sales can response within 12 hours.

    * We respect your confidentiality and all information are protected.