Xyoo 1979, lub tuam txhab tsim.

Xyoo 1984, lub tuam txhab tau nkag mus rau kev lag luam maus taus, tshwj xeeb hauv kev tshawb fawb, kev tsim kho thiab tsim cov maus taus silencers.

Xyoo 1998, lub tuam txhab muag ntau tshaj 1 lab teeb ntawm maus taus mufflers.

Xyoo 2005, lub tuam txhab tau tsim kev koom tes nrog Britain Jinmao los tsim ib puag ncig-phooj ywg mufflers rau maus taus.

Nyob rau hauv 2008, lub tuam txhab tsim 3.57 lab teev ntawm maus taus silencers.

Xyoo 2015, lub tuam txhab tau dhau los ua cov chaw tsim khoom ntawm maus taus muffler hauv Suav teb.

Nyob rau hauv 2016, lub tuam txhab nquag nthuav nws cov lag luam nyob rau hauv lub automotive teb thiab pib tsim automotive ntim.