TIANJIN GRAND PAPER ndiye kambani yeEDAN yekutanga kugadzira mapepa ekurapa kubva EDAN yakagadzira yekutanga ECG monitor muna 2002. Mazuvano, tinopa EDAN ese emhando ECG uye fetal monitor paper.
MINDRAY yakavamba kudyidzana nesu kubvira 2003 uye ndeimwe yemutengi wedu mukuru wenguva dzose.
