We supply all kinds of specifications, brands of pump body, generally 304 and 316, research institutes and Shanghai, Beijing, senior professional and technical collaboration factory, advanced laboratory tests, has passed the ISO9001 quality system certification, ISO14000 environmental certification.It can be used in water pump,river pump,oil pump,car,motorcycle and so on.We also provide kinds of valve bodys,you can buy derictly or we product according to your drawings.