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TGS series product all attains Rohs standard through passing SGS authentication in 2005 and TGS exporting products had passed ISO9001 :2000 and ISO14001:2004 certifications in the same year.

TGS series product all attains Rohs standard through passing SGS authentication in 2005 and TGS exporting products had passed ISO9001 :2000 and ISO14001:2004 certifications in the same year.