ductle iron pipe fitting ：AdvantagesSpecificationscast iron drainage pipes and fittings 1.oem fittings 2.technology:casting 3.oem and odm 4.quotation within 24hourscast iron drainage pipes and fittingsWith many years experience,Website:://.sdwfweijia.com, we can process OEM  casting partssupport sand casting die casting precision casting lost wax casting investment castingIf you want to produce custom casting products, please feel free to contact us.Your inquiry of casting parts will be highly appreciated.underground drainage pipes OEM service ,custom made by customer's drawing or specifications Competitive price from China casting foundry / manufacturerFast delivery ISO 9001:2008  certification