Shanghai RuiJi Industrial Co.,Ltd is an expert in mask manufacturing and designing,like cup mask, folded mask, flat masks.The products list including particular respirators, acid gas masks, welding masks, surgical masks, active carbon masks, valve masks, and facemasks.

RuiJi manufacturing system is an ISO9001-2008 certified process.In quality standards, RUIJI strictly implements and has been approved by US NIOSH N95 and CE FFP1/FFP2, and China LA.

RUIJI has a professional team, 3000 square meter workshop, daily capacity up to 150000 pieces of dust mask.Till now the market has successfully expended to America, Europe and other parts of the world.