Welcome to Hua Yan Hydraulics - a professional manufacturer of Hydraulic fittings, adapters, hose assemblies, transition fittings in Ningbo China. We are producing more than 300 series, total more than 10,000 models, exchangeable with Parker, Manuli, and Eaton's or per customer's specifications and drawings, applied to mining, construction, transportation, oil, agriculture industries. The most common materials we are using are carbon steel, stainless steel, brass, aluminum alloy. The most common surface treatments are Cr+6 free zinc, zinc nickel alloy, electroless nickel plating or customer specified types, theses plating can stand 120-680 hours salt spray anti rust testing.
 
Our products have been exporting to USA, Germany,UK, Russia,Europe, South Africa, Australia and others for more than 8 years. We are ISO9001:2008 certified. 
Hua Yan Hydraulics owns 40 CNC lathes, automatic drilling machines, German Heflix hose assembling equipment, and a dedicated team. Our quality and service are well recognized by our customers.

Our main Transition fittings:
Threaded Transition fittings
Weld end Transition fittings
Grooved end Transition fittings

hydraulic hose fittings, hose fittings, hydraulic fittings: 
1) Ferrule
Ferrule for SAE100 R1AT/EN853 1SN hose
Ferrule for SAE100 R2AT/EN853 2SN hose
Ferrule for SAE100 R2AT/DIN20022 2SN hose
Ferrule for 4SP, 4SH/10-16, R12/06-16 hose
Ferrule for R12/20-24 hose
Ferrule for 4SH, R12/32 hose
Ferrule for SAE100 R7 hose
Ferrule for TEFLON hose

2) Swaged metric fittings
Metric flat seal fittings Metric multiseal fittings
Metric 60° Cone seal fittings Metric 74° Cone seal fittings
Metric 24° Cone O-ring seal L. T. Fittings Metric 24° Cone O-ring seal H. T. Fittings
Metric standpipe straight fittings JIS metric 60° Cone seal fittings

3)  Swaged British fittings
BSP O-ring seal fittings BSP flat seal fittings
BSP multiseal fittings BSP 60° Cone seal fittings
BSPT fittings JIS BSP 60° Cone seal fittings

4)  Swaged American fittings
SAE O-ring seal fittings ORFS flat seal fittings
NPSM 60° Cone seal fittings JIC 74° Cone seal fittings
NPT fittings SAE flange L. T. Fittings SAE flange H. T. Fittings

5)  Staplelok fittings
BANJO Double Connection Interlock Hose Fittings

6)  Metric Adapters
Metric Thread O-ring face seal fittings
Metric Thread bite type tube adapters
Metric Thread 74° Cone flared tube adapters
JIS metric thread 60° Cone adapters

7)  British Adapters
BSP thread 60° Cone adapters
JIS BSP thread 60° Cone adapters
BSPT thread adapters
BSPP to 37° flare Adapters
BSPT to 37° flare Adapters

8)  American Adapters
ORFS adapters
JIC 74° Cone flared tube adapters
NPT thread adapters

9) Other adapters
Application: Automobile, Engineering Machinery, Lather, Agriculture Machine, Mining, Spurting the Oil Paint, Metallurgy Petroleum, Construction, Chemicals, Textile, Ships, Ocean Military, Recreation, Electronics and so on.
Global OTC (Over the Cover) Fittings
Global Skive Nipples
Global TTC (Through the Cover) Fittings
Global TTC12 Fittings
Global Spiral TTC Fittings
Internal Skive Crimp Fittings
LifeSaver Fittings
O-Rings Fittings
PTFE Crimp Fittings
Reusable Fittings
Reusable Fittings -100R5
Socketless Fittings
Spiral Single Skive Crimp Fittings
Split Flanges Fittings
Suction Hose Fittings
Super Gem Fittings

Adapters
Braze and weld to 37° flare Adapters
Braze and weld to split flange Adapters
ISO 6149 to ORS Adapters
JIS 30° to 37° flare Adapters
Metric to 37° flare Adapters
O-Rings Adapters
Pipe to braze and weld Adapters
Pipe to 45° flare Adapters
Pipe to pipe Adapters
Pipe to SAE O-ring boss Adapters
Pipe to 37° flare Adapters
SAE flareless to 37° union Adapters
SAE O-ring to 37° flare Adapters
SAE split flange to SAE Adapters
split flange Adapters
SAE split flange to 37° flare Adapters
SAE 37° (JIC) flare union Adapters
SAE Split Flange to ORS Adapters
Specials Adapters
Stainless Steel Adapters