bei bei аюулгүй байдлын kn95 маск

Монголбанкны 2019 оны онцлох үйл явдал | Sonin.MN- bei bei аюулгүй байдлын kn95 маск ,mongol chuud iin financial freedom iig haaji bei buh factors iig gargaji ,uustagarei 0 0 Хариулах Зочин 59.153.113.188 2019-12-27 18:25Suzhou Zhongjian KN95 Mask - GHMaskProduct name: Comfortable KN95 protective maskModel: Fiche-01 (non-medical use)Material: 4 layers (non-woven fabric + hot air cotton + Teflon nano + non-woven fabric) + elastic ear strap + nose clipSpecifications: earhookMFG date: Please refer to the approval certificateShelf life: 2 years from the date of manufacture The penetration through the filter of the CPA is tested using paraffin oil ...