: In mechanical engineering, an "RKP piece" could refer to a Guide Frame or Connector Frame from the RKP series sold by MISUMI .
RKP Polybags Pvt. Ltd. (based in Chennai, India) produces a wide range of "zip" and "pouch" products often sold by the piece: rkp.zip
Depending on the context, "RKP" and "piece" might refer to other technical or automotive components: : In mechanical engineering, an "RKP piece" could
: Larger LDPE bags (e.g., 12x18 inches) used for clothing retail, often priced around в‚№8.5/Piece . : In mechanical engineering