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大連中道貿(mào)易有限公司是集生產(chǎn)和貿(mào)易為一體的綜合貿(mào)易公司，自1997年成立以來(lái)，產(chǎn)品銷(xiāo)往世界各地，并獲得客戶(hù)的良好贊譽(yù)。 現(xiàn)公司主要產(chǎn)品包括如下系列： 1.No-hub fitting & pipe according to CISPI301 standard, at same time we also can supply the all size of coupling which is suitable for No-hub fitting & pipe. 2.No-hub fitting & pipe according to EN877 standard 3.Coupling for no-hub fitting & pipe 4.Ductile iron fitting according to BS4772/ISO2531, AWWA C110/153 standard 5.Va...