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Huludao Longyuan extraction equipment Co., Ltd.

镦粗机,镦粗油管,抽油杆,镦锻机,热处理调质线,油管外加厚,插接式抽油杆,导向器,

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  • Contacts：wang_jing_li
  • Tel.:：00 04293026611
  • Mphone：13898383081
  • Fax：0086-0429-3026611
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