High-Quality Cutomer Valued Production & Engineering
QILONG Higher quality consistancy manufactuer
International standards ANSI/API/ASME/DIN/BS/GOST/GB
QILONG Keeps improving the valve production efficiency and product performance satisfaction.
Standards:
API,ANSI,ISO,JIS,BS,DIN,GOST,GB,etc

30+
Over 30 years of experience in manufacturing ball valves
China Top List Factory Specialized In Manufacturing Ball Valves
QILONG Provide Technical consulting, tailored pipeline valve solutions, high-quality & efficient products delivered on schedule, maximizing customer service value.
Standards:
API,ANSI,ISO,JIS,BS,DIN,GOST,GB,etc

30+
Over 30 years of experience in manufacturing ball valves
QILONG All latest CNC machines adoption in production process
They are the key factor to keep high quality consistency,acurancy process control and final stable performance.With the latest production conception and technology, our systematic trained work stuff follow the ISO 9001 QC system and use ERP manufacturing control system realized reliable valve production
Standards:
API,ANSI,ISO,JIS,BS,DIN,GOST,GB,etc

30+
Over 30 years of experience in manufacturing ball valves
Hot Products
Ball Valve
19 Years Experience In
Manufacturing And Exporting.

Custom tech support
for special design

Higher efficiency quality,
On-time delivery

Strong production
Stable supply chain
One-stop lifecycle service
Custom tech support for special designs
Strong production & stable supply chain
Higher efficiency, better quality, on-time delivery
One-stop full-life-cycle service
Standards:
API,ANSI,ISO,JIS,BS,DIN,GOST,GB,etc

30+
Over 30 years of experience in manufacturing ball valves
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