| SUNGO developed an extensive and advanced inspection and test facilities to control the quality from rough castings or forgings to final products. These facilities enable us to do ¦Ã Radial test. Radio graphic test, Ultra-sonic test, dye penetration test, Magnetic test, Positive Material Identifier(PMI), Impact test, Tensile test, Hardness test, Fire safe test, Cryogenic test,Vacuum test, Low fugitive emission test, High pressure gas test, High temperature test and Hydro-static test. SUNGO Quality Assurance is dedicated to the pursuit of a zero defect valve, and this has resulted in the company having more quality qualifications and end user approval than most of our competitors. SUNGO is certified by ISO9001:2000 and API 6D (registered No.6D-0487) and CE/PED(certified by DNV), SUNGO soft seated ball valves are fire safe tested and certified by TUV.
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