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2-1-1601, Yinrun Central Plaza, the intersection of Yongtai Street & Taikang Road, Luoyang, Chinaluoyang, HenanChina, 471000Web Page Link: http://www.toboc.com/luoyanggongyantechnologycoltd746575D&B D-U-N-S Number: 4084191214
A self drilling anchor hollow bar system consists of: a hex nut, a bearing plate, a coupling sleeve which enables the flexibility in length, hollow anchor bar(s) and a sacrificial drill bit.
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Luoyang Gongyan Technology Co.,Ltd