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Menu
Home
About Herong
Products
DIN Flanges
EN1092-1 Flanges
ANSI/ASME Flanges
Special Flanges
Drawing Parts
Quality and Certificate
Service
Contact Us
English
Arabic
Czech
Dutch
French
German
Hungarian
Italian
Polish
Russian
Spanish
Portuguese
Quality and Certificate
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Quality and Certificate
Quality control system is the basis of reliable qualiy.
High precision testing equipment is the guarantee of reliable quality.
Our certificates
iso14001
iso45001
ped&ad2000
iso9001
Main Inspection instruments：
Spectrometer
Mahr Profilometer
Mitutoyo roughness meter
Universal test machine
mahr profilometer
mitutoyo roughness meter
spectrometer
universal test machine
