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2004   Best Ring Technology was set up.
2008   Certified by U.S. A NSF Certification
2009   Certified by UK WRAS(WRC-NSF)
2010   Certified by France ACS;
            Certified by ISO/TS16949:2009;
            Certified by Germany KTW、W270(DVGW);
            Passed EU ROHS、REACH test. 
2013   Moved to Jinshan plant , expanded the capacity of Mold design and processing, added Metal Parts production line. 
2014   LSB was founded diaphragm design team, R & D team in 2014.

 
     
 
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