... substitute for congeneric import products, such as JOHNSON,DANFOSS,SAGINOMIYA,3S,RANCO and so on. ... us when ordering if the system adopts the media corrosive to phosphor and bronze, suitable models will be recommended;10. Our products ... can substitute for congeneric import products, such as JOHNSON,DANFOSS,SAGINOMIYA,3S,RANCO and ...