PRODUCT CENTER
NRS Resilient Seated Gate Valve Thread EndsLearn More- OS&Y Resilient Seated Gate Valve PN10/16Learn More
- NRS Resilient Seated Gate Valve Grooved EndsLearn More
- NRS Resilient Seated Gate Valve Plain EndSLearn More
- NRS Resilient Seated Gate Valve Socket EndsLearn More
- NRS Resilient Seated Gate Valve Socket EndsLearn More
- NRS Resilient Seated Gate Valve Flanged Ends PN10/16 BS5163 DINF4/F5Learn More
- AWWA Resilient Seated Gate Valve,Push-on EndsLearn More
ABOUT US
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Qingdao Huaguan Valve Co., Ltd. was founded in 1994
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Employs 350 people, including more than 40 technical engineers and 5 experts
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Size from DN25 to DN900, annual output over 400,000 sets.
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Our products are widely distributed and used in over 100 countries
OUR ADVANTAGE
Our factory
We are an actual producing factory, all producing procedures including casting, machining, assembling, rubber lining, painting and epoxy coating, packing, are all done by us, so the complete producing process is under our own control.
Drinking water certification
We have got WRAS, ACS, NSF certificates for portable water, and FM/UL certificates for fire fighting.
ISO9001
We have got ISO 9001 management system certificate, and CE certificate for European market is available.
CASE CENTER
![Five Rounds of Design Revisions Satisfy German Client]( "Five Rounds of Design Revisions Satisfy German Client")
Five Rounds of Design Revisions Satisfy German ClientMay 26, 2026One German customer required us to change the design of rubber gasket, our technical team thought that it was not necessary to change, since if change, the mould had to be changed and that would cost a lot of money, and the performance after changing was not better.Learn More![Long-term Dedicated Support Turns Inquiries into Sustained Cooperation]( "Long-term Dedicated Support Turns Inquiries into Sustained Cooperation")
Long-term Dedicated Support Turns Inquiries into Sustained CooperationMay 13, 2026Our long-term customer in the US placed an urgent order just 10 days before our Chinese New Year holiday, they required us to export the ordered products before the holiday.Learn More![Overcome Holiday Difficulties to Complete Urgent Order for US Client]( "Overcome Holiday Difficulties to Complete Urgent Order for US Client")
Overcome Holiday Difficulties to Complete Urgent Order for US ClientMay 13, 2026Our long-term customer in the US placed an urgent order just 10 days before our Chinese New Year holiday, they required us to export the ordered products before the holiday.Learn More
NEWS CENTER
![Customers’ Visiting and Communicating Enhance Our Connections]( "Customers’ Visiting and Communicating Enhance Our Connections")
May 12, 2026Customers’ Visiting and Communicating Enhance Our ConnectionsEvery year, there are over 30 overseas customers coming to visit our factory. Some are new customers, some are long-term cooperating customers. New customers know us through internet or introduction of our cooperated customers.![Improving the ball structure for ball type check valve]( "Improving the ball structure for ball type check valve")
May 12, 2026Improving the ball structure for ball type check valveOne of Our German customers complained that duo to the sand inside the ball of ball type check valves, after the check valves were installed in pipeline systems, there would be annoying sound from the ball during usage.![The first lesson on safe production for the year 2026]( "The first lesson on safe production for the year 2026")
Feb 25, 2026The first lesson on safe production for the year 2026On February 25th, the "First Lesson" meeting for safe production in 2026 was held, aiming to promote enterprise to quickly switch from "holiday mode" to "safe production mode" and tighten the "safety valve" for enterprise to resume work and production.
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