Pls find " QAL tracking log " in attached file and I already dicuss with team (PD,Material,Commercial & Incoming section) and we have conclusion by we want to disturb the DTS to buy for the control switch to the JSI with 2 pieces then we will purchase another one from DTS due to JSI didn't have data base of control switch supplierr so that complecated to buy this one . If you have any question pls do not hesitate to contact me.