Your are here: Manufacturing Process

GuoRun Grating has been fabricated in strict accordance to N.A.A.M.M (National Association of Architectural Metal-Manufacturers)specification and high quality controlled by our TQC system. Sangwon Gratings are designed and manufactured in accordance with relevant international standards. Sangwon utilizes a high quality mild steel for load bearing bars which exceeds the specifications of ASTM A36, BS4360 Grade 43A, JIS G3101 SS400 and KSD3505 SB41. It also can be manufactured of stainless steel, normally grades STS304 and STS316. The following is the work process:
 
 
 
 
 
 

 

GuoRun | High Court | Kehulin |Anping |Hebei | Tel:+86-318-7526560 |sales@perforated-metal.org
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