About Us

       China National Quality Supervision &Test Center for Explosion-proof and Safety Products for Coal Mine  (CMExC) is a independent laboratory in China Coal Technology and Enginering Group Shenyang Research Institute.Its management system is the same as Explosion-Proof and Safety Products (Testing) Laboratory,CCTEG Shengyang Research Institute、National  Work Safety Test  and   Inspection Center for Mining Equipment-Fushun、 Coal  Industry  Quality  Supervision  & Test  Center  for Coal Mine-specific  Product-Fushun、 International   Electrotechnical   Commission  IECEx Testing  Laboratory  and  National   Pattern Evaluation  Laboratory  for  the Test (Alarm) of  Flammable  and Explosive  Gas (Fushun Coal Mine). China     Coal  Technology  and  Enginering  Group Shenyang  Research  Institute  created  the  testing  branch  for convenience ,  inclusion  system  of  Shenyang  Research   Institute . China   National  Quality  Supervision   &Test  Center  for  Explosion-proof  and  Safety  Products  for   Coal   Mine ( CMExC ) was   authenticated   by  previous National Measurement Bureau, was authenticated by previous  National  Bureau of  Standards            in 1987, it was authenticated by CNAS in 2012. Coal Industry Quality Supervision & Test  Center  for  Coal    Mine-specific  Product-Fushun  was  authenticated  by  previous  Ministry  of Coal  Industry in 1998 , it was authenticated by CNAS in 2010.National Work  Safety Test and Inspection Center  for Mining  Equipment-         Fushun  get  the first qualification  authenticated  from State  Administration of  Work Safety in 2003,it was  authenticated  by  State  Administration of  Work  Safety  in March  2004, it passed  expansion  in 2013. It        passed  the  international  peer  review  in 2005,became the ExTL of  the  IECEx system  in 2006. National       Pattern  Evaluation Laboratory for the Test  (Alarm)  of  Flammable and Explosive Gas (Fushun Coal  Mine)        was authenticated by National Quality Supervision,Inspection and  Quarantine in April  2008, it  has  been       appraised as National Assessment Center for Coal Mine Safety Equipment.