... , Disk, Block, segment, ball, cylinder and as the request of clients.Grade:Y10T,Y20,Y25,Y30,Y30BH,Y35(China standard);C1 ... magnet: Certificates: FAQ:1.Q:Are you a factory or trading company? A:We are a factory.2.Q:Where is ... , China, about 3 hours by train from Shanghai .All our clients, from home or abroad, are warmly welcome to visit us ...