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A ọjọgbọn pdc ojuomi, pdc, bit, pdc mojuto bitolupese

Adirẹsi: B302 Iṣelọpọ iṣelọpọ Dianzi opopona 3rd ti agbegbe yanta, XI'an, agbegbe Shaanxi, China

aaye ayelujara: www.tydrillbits.com

Tẹli: + 86 29 88894370

Faksi: + 86 29 88894370-602

imeeli: robert@tydrillbits.com