Distributor of "Stoewer" typewriters - offering various sub-brands ("Records", "Elite") and other office materials (leather case, heating stove...), as well as "LINOLEUM "KEY MARK" and "Carlshuette" Heating Stoves".

A 1914 NCDN advertisement stated: "IF YOU WANT TO BE ON THE SAFE SIDE BUY "STOEWER" TYPEWRITERS. "Record" $200.00, "Elite" $120.00 incl. Leather case. "CARLSHUETTE" HEATING STOVES Tls. 20.00 to Tls.60.00 - LINOLEUM "KEY MARK" always in stock with OTTO WIESINGER", Shanghai, 6 Kiangse Road, corner of Siking Road. Phone No. 3900."