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.
