1, Various pipe fitting 2, Materal: ductile & grey iron 3, Certification: ISO9001-2000 4, Epoxy internal and external 1, By the best ... ,high quality and the reasonable price, large quantity of our pipe fitting are exported to abroad every year.2, We also ... produce series of well cover, pipe fitting, grate, ball mould and so on.3, Our company passed ISO9001:2000 certification in 2004, regards ...