RK Zero Srl acquired 50% stake in Zeropack S.p.A. from Bio-on S.p.A. (BIT:ON) on December 28, 2018. Post acquisition, the shares of Bio-on and RK zero is equal to 50% each. RK Zero Srl completed the acquisition of 50% stake in Zeropack S.p.A. from Bio-on S.p.A. (BIT:ON) on December 28, 2018.