China TMK Battery Systems, Inc. (DFEL: OTC Pink Limited) | Tier Change Fri, Jul 21, 2017 12:00 - China TMK Battery Systems, Inc. ( DFEL : OTC Pink Limited) - Tier Change - The symbol, DFEL, no longer is classified as OTC Pink No Information. As of Fri, Jul 21, 2017, DFEL resides in the OTC Pink Limited tier. You may find a complete list of tier changes at otcmarkets.com .
