Yongxin Industrial Co., Ltd is situated in the heavy industry province of Shanxi in china, the business scope consists of Ductile iron pipes , Flange fittings , push on socket fittings , manhole covers and many kinds of valves and so on ,with the nationally advanced ductile iron pipe production line , the strong technological force and the perfect testing instruments . our products are well know and universally acknowledged .
The ductile iron pipes are our leading products , (DN100-2200) up to the stand...
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