Surface Box -- we manufacture water meter box, it is made ductile iron or cast iron. Surface Box --1.The water meter box is made of ductile iron or grey cast iron.2.We supply water meter box as per customer`s requirement. --Ms. Livia Wang QINGDAO VALTECH MANUFACTURING CO., LTD. Jihongtan Town, Chengyang District, Qingdao City, Shandong Province, China