Stuffing box body for CAT

we are a company at yemen having a tender and we would like to have you best quotation for the following:
slide valve shaft , material:cs (zp) , pn:5 , size : 6" , class :600 , cat no;0150tt, plate thks:125)
lower plate carrier shaft , material :cs(zp) pn:6, for ( daniel senior orifice fittings , size : 6" , class :600 , cat no;0150tt, plate thks:125)
upper plate carrier shaft , material :cs(zp) pn:7, for ( daniel senior orifice fittings , size : 6" , class :600 , cat no;0150tt, plate thks:1