ZHEJIANG QILONG VALVE CO.,LTD

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About us
About us

OUR COMPANY

QILONG: All industrial ball valves – critical medium, cryogenic, high temp, underground fully welded & more.

With continuous development, Zhejiang Qilong Valve Co., Ltd. has grown into an industry leader in ball valve manufacturing. The main product is ball and ball valves which are selling to the world wide like Europe, Middle East, Middle Aisa, South Asia,Africa, Australia and America etc.

We can manufacture all kinds of precision ball valves in different materials and surface treatments. The ball valves according to types include general floating ball valves, trunnion ball valves,metal seated ball valves,top entry ball valves,V type ball valves, fully welded body ball valves,double block and bleed ball valves,multi port four way ball valves or three way ball valves. According to valve material and temperature will be the extend stem cryogenic super duplex steel ball valve for low temperature, the medium has partials will use the zero leakage performance high temperature metal seated ball valve.The application for online quick maintain service will be the top entry ball valve.

  • *QILONG Foundation 1992 manufacture.
  • *Products : Ball Valves, Ball, Ball seat, body, stem and ball valve parts
  • *Material : Carbon Steel, Stainless Steel, Alloy Steel etc.
  • *Standards : API/ANSI,DIN/EN,AWWA,JIS,BS,DIN,GOST,GB etc.
  • *Size : NPS 1/2''~NPS 40'' DN15~DN1600
  • *Pressure : Class 150 ~ Class 2500 PN10 ~ PN420

30+

Years of Experrience

180+

Projects Completed

200+

Clients Worldwide

100%

Customer Satisfaction

All Specialists Undergo Annual Certification

Advantage

QILONG guarantees top valve quality with strict QC, reliable testing & skilled teams – quality first for customers.

Since entering market of ball valve, Zhejiang Qilong has obtained unanimous favorable comment of customers. How this happened? What is our advantage?

Concentrated On Ball & BallValve.
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Advantage

Concentrated On Ball & BallValve.
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Concentrated On Ball & BallValve.
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Advantage

Concentrated On Ball & BallValve.
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Advantage

Just-In-Time Delivery.
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Advantage

Good Reputation.
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Advantage

PDM-ERP Management System.
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Advantage

On-Site Training.
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Concentrated On BALL & BALL VALVE.
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Advantage

Self-produced Ball.
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Advantage

Expert Technical Support.
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Advantage

Strict Quality Control.
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Advantage

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Our customers

Experts In The World Of Ball Valve.

0086-577-67357120

Dongou Industry Zone, Oubei, Yongjia, Wenzhou, China

Service In 24-hour

Name: VIVIAN QILONG
E-mail: sales@ql-ballvalve.com

QILONG Understands
The Need To Supply More Than A Quality Product.

QILONG production:Manually operated, pneumatically and electrically actuated ball valves with standard of API/ANSI,ISO,DIN, EN, GB, BS, GOST, size: 1/2" to 56", class: 150lb to 2500lb, working temperature -196 degrees celsius to 680 degrees celsius.

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