"NIOSH revoked ALL approvals issued to Shanghai Dasheng Health Products Manufacture Co., Ltd. including private label versions. NIOSH’s Conformity Assessment Letter to Manufacturers (CA 2021-1038) provides a listing of the revoked approval numbers.
As of August 13, 2021, any Shanghai Dasheng Health Products Manufacture Co., Ltd. respirator with a NIOSH approval label containing a revoked approval number is no longer NIOSH-approved and cannot be manufactured, assembled, sold, or distributed.
For more information, view the NIOSH Conformity Assessment Letter to Manufacturers (CA 2021-1038)."
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