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Keys： air pipe connectorferrule–type connectorpipesflange
Hot Products -Designated Brand Service Provider
LR pressure reducing valve
LFR pressure reducing valve with filter
LOE atomized lubricator
LFC combination unit FR+L
LC type FRL
pipe
LF filter
TAV2000-02 mitigate starting valve
Products
Pneumatic Equipment Series
L type air treatment
G type air treatment
T type air treatment
automatic drainer
TIR precision pressure reducing valve
TAV mitigate starting valve/ THS decompression valve/ TAX four-way valve
TMR pressure regulating valve
big filter/ big pressure reducing valve
air treatment for main pipe
high pressure air treatment
middle pressure air treatment
water cup/ oil cup/ accessory
pressure gage
Pneumatic Control Element
TG type solenoid valve
TG plate type solenoid valve
TG type control valve
TG type foot operated valve
CV type one-way valve
TG type rotary valve
type hand operated valve
pulse valve/ drown valve
STNC type two-way valve/ digital timer
pneumatic executive component
pneumatic auxiliary component
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1360-630-3759
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Stable, high-quality products
01
Product Quality
  • Stable supplier of high quality raw materials, environmental protection and safety of finished products
  • Production process, the whole process strictly according to the production formula, process production, stable product properties
  • Before the finished product leaves the factory, it will undergo strict factory inspection and output inspection report to ensure good quality.
Stable, high-quality products
02
Technical Support
  • Stable supplier of high quality raw materials, environmental protection and safety of finished products
  • Production process, the whole process strictly according to the production formula, process production, stable product properties
  • Before the finished product leaves the factory, it will undergo strict factory inspection and output inspection report to ensure good quality.
Stable, high-quality products
03
Solutions
  • Stable supplier of high quality raw materials, environmental protection and safety of finished products
  • Production process, the whole process strictly according to the production formula, process production, stable product properties
  • Before the finished product leaves the factory, it will undergo strict factory inspection and output inspection report to ensure good quality.
Stable High Quality Products
04
Caring Service
  • Environment protected and safety products: We have a stable quality raw material suppliers.
  • Stable product nature: The whole production process is made in strict accordance with the production process.
  • Ensure good quality: The finished products will be strictly tested before leaving the factory and the test report will be output.
  • Product Quality
  • Technical Support
  • Solutions
  • Caring Service
Tel：0532-87050959
From thousands of customers trust
“
The quality is good and the service is guaranteed.
The quality of the hydraulic station sold by Jinhuahai is good, as described in the product, very satisfied with the service of Jinhuahai. Jinhuahai's service was quite good, the staff was skilled, patient and thoughtful and exceeded our expectations. Jinhuahai's workmanship is also very good, have bought many times ...
Excellent customer satisfaction
About Us

Qingdao Jinhuahai hardware electromechanical co., LTD is founded in 1995. We are a professional supplier of high quality tools and equipment. Our company is an agent of many domestic and foreign famous hardware tools, as well as all kinds of hydraulic equipment and hydraulic accessories. For more than 20 years, we have been adhering to the business philosophy of "integrity first, customer first" and providing high quality products and professional services for our customers. In addition, our company has rich experience in MRO procurement, and is a well-known comprehensive supplier in the field of hydraulic transmission, control and fluid pipeline connection in China. We're looking forward to working with you to create a better future!


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Jinhuahai‘s Workshop
Jinhuahai‘s Workshop
Jinhuahai‘s Workshop
Jinhuahai‘s Workshop
Jinhuahai‘s Workshop
Jinhuahai‘s Workshop
Jinhuahai‘s Workshop
Jinhuahai‘s Workshop
Jinhuahai‘s Workshop
Jinhuahai‘s Workshop
Jinhuahai‘s Workshop
Jinhuahai‘s Workshop
Jinhuahai‘s Workshop
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Analysis of the causes of internal leakage in pressure reducing valves
The pressure reducing valve is used in many engineering projects through its high precision, easy installation and commissioning advantages, in the process of use, there are also some problems plaguing the field instrument personnel, that is, the valve leakage problems.
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What are the commissioning steps before the installation of a pressure reducing valve?
What are the commissioning steps before the installation of a pressure reducing valve?
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Features of pressure reducing valves
Good adjustment function is one of the main functions of the adjustment valve, as ① flow characteristics; ② adjustable ratio R; ③ small opening performance; ④ flow coefficient; ⑤ adjustment speed.
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Contact Us
  • Add
    Huizhou Road 128, Zhongyun Zone, Jiaozhou Qingdao, Shandong Provinz
  • Tel
    0532-87236065
  • Phone
    1360-630-3759
  • Fax
    0532-87050959
  • Email
    QDJHH2007@163.COM