999ZYZ玖玖资源站永久,18无码粉嫩小泬无套在线观看,狠狠色噜噜狠狠狠狠色综合久,国产午夜福利片

Position:Home > Technology

Introduction to non-magnetic steel - Technical standard for Herui HRNM-2(P530)


Time:2022-11-3 16:30:13 Source:http://www.1nl6uj.cn/ Author:Jiangsu HeRui alloy material technology co., LTD
The previous article: Non-magnetic drill collar types Next:Introduction to non-magnetic steel - Technical standard for Herui HRNM-3(P550 )

  • Sales contact:

    15922134617 Mr Mao

  • Technical director:

    13511685966 Mr li

Address:Factory Building 7, No. 158 Zhenxing Road, Fenghuang Industrial Park, Danyang City, Jiangsu Province
Email:Sam.mao@zjherui.com