We do not have CFG for the DRSO2 that have China information, the legal manufacturer of this product is base in the U.S.A. ( MED X Change, Inc. / FL , U.S.A).
Per the manufacturer, the final packaging process of the DRS02 is in the U.S, it is notin China.
Also, the shipping information of this product is originated in the U.S.A., Let me know if you have any questions.