Our factory Shijiazhuang Donghuan Malleable iron Casting Co,Ltd.as a pipe fitting manufactory ,is a professional to produce the international pipeline fittings.We produce the galvanized and black malleable iron pipe fittings with SDH brand that can be divided in three standards :Amercia Standard ,British Standard and Din Standard.
The sizes are fron 1/8 to 6 and the fittings are widdly used in various pipe lines certification of CRN in Canada,European of CE and Turkey of TSE. The brand of SDH and ge have be registered in many countries by us.