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  • About us
    About us
    Henan Dongfanglong Machine Manufacture Co.,Ltd was founded on 1999, with the location of the Intersection of 106 National High way and Jintian Road, East Industries Areas of Puyang, Henan, China. We have more than 15 years of experience of producing, developing and selling tubing coupling,casing coupling,pup joints,tool joints,and so on. We have the ISO 9001 Quality Control Certificate, API - 5CT Certificate.
    人妻丰满AV无码区_饥渴的少妇中文字幕_人妻丰满熟妇ay无码区_亚洲中文无无码-区在线