United Poly Engineering [P] Ltd. Supplies Hand Wash Double Basin Stand. United Poly Engineering [P] Ltd. Is an ISO 9001:2000 registered company. United Poly Engineering [P] Ltd. Supplies stainless steel & plastic hospital hollowware & utensils and hospital furniture. Hand Wash Double Basin Stand has been equipped with M.S. Tubular frame which is available with two rings to hold basin. Hand Wash Double Basin Stand is used for hospital purposes.