I plant to provide customers GB GB / T, Bank superscript HG, JB, JB / T all types of standard flange, and map various types of custom forgings and various non-standard flange, composite flange, welding Flange, material guarantees, prompt delivery, the production-welding, welding, with neck and neck flange widely used in high petrochemical, electricity, metallurgy, water supply and drainage, transportation, and other various industries.
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