September 2003 by the China Classifi∏§ £cation Society of the ♠&ISO9001: 2000 quality system certificσ<ation ;

October 2009 &2∏φ012 by the French BV on ISO9001: 2008 quality management system c×£♦$ertification.

October 2007 by the Frenc₩∑‍h BV TS16949: 2002 quality managemen§€Ω•t system certification;

TS16949 : 2009 quality management s↕"ystem certification in October 2010 passed th₽φ ∞e French BV ;

TS16949 : 2009 quality management system cπ←ertification in November 2013 passed the Fr↕∞ench BV.

November 2005 by the Ch​♥ina Classification Society ISO14001: 2004 envir ♦onmental management system ↑ β<certification ;

October 2008 by the China Classificati'<​®on Society ISO14001: 2004 environmental mana₹γ≠ gement system certification≈ ★ ;

October 2011 by French BV&n¶✔¥bsp;ISO14001 : 2004 environmental mana₽₩→gement system certification ;

November 2013 by French BV ISO14001 : 2004÷±✘™ environmental management system ce§‍rtification.

October 2014 by French BV ±₩QC080000:2012 Hazardous Sε​ubstance Process management sy ↕✘stem certification.