LUOYANG GUANGTUO Grup pengeboran batu mencakup area 47,500 meter persegi, dan mempekerjakan lebih dari 300 pekerja, 5 teknisi senior. Gunakan peralatan canggih seperti tungku penghilang debu, tungku tradisional, tungku pembakaran pitcarburizing, bubut CNC dan mesin las gesekan dan productivetechnology khusus, kualitas tinggi dan tampilan yang indah mendapatkan asuransi terbaik.
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