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ZTZG shine mafi girman masana'antaFarashin ERW PIPE MILLinji a kasar Sin, alfahari da nasa R&D, sarrafawa, da samar da sansanonin. An kafa shi a cikin 2000,ZTZG ya kasance yana wanzu tsawon shekaru 25. Samfuran sa sun tsaya tsayin daka, abin dogaro, sabbin abubuwa, da ci gaba na fasaha, yana ba ku damar adana mahimman farashin aiki da haɓaka inganci.