2009, Established in Shanghai.
2010, Registed the trademark certificate of Songxia.
2010, EPDM rubber expansion joint used for Shanghai world Expo 2010.
2012, Rubber expansion joints used for APEC international convention and exhibition center.
2013, Appointed rubber expansion joint supplier of National Exhibition and Convention Center (Shanghai)
2015, Rubber expansion joint was supplied for the FCG nuclear power station.
2017, Exported Rubber expansion joint to Pakistan national airport project.
2018, Established over 98000 ㎡ new workshop and automatic machine , strive to be one of the best manufacturers in China.
