国产黄色av-国产在线网站-1024日韩-99久久人妻精品免费二区-www一区-一级aa毛片-男人操女人动漫-国产在线免费视频-超级砰砰砰97免费观看最新一期-影音先锋影院-69堂在线-9i看片成人免费高清-福利视频导航网站-91蜜桃网站-国产美女永久免费

International Trade Fair for Construction Machinery,
Building Material Machines, Mining Machines and Construction Vehicles.

All
bauma SHANGHAI 2024
All exhibitors List

BEIJING JIETAIHONGLI TECHNOLOGY CO., LTD.

Booth No. E3.538

Headquarters: 

Target Groups: 

rotary piling rig kelly bar

Product Category:

Save the product

Product Introduction

Frictional kelly bar doesn't need to unlock the joint of its inner and outer lining so that it is convenient and fast to lift the bar. Non-stair key, friction transmission and the outside key are?made by highly wear-resisting tempering steel. Friction Kelly Bar is applicable for layer of soft ground and mud,?(mud) sand, gravel. Interlocking kelly bar is of great pressure transmission and good anti-contortion perfomance. There are 3 rigid parts between drilling pipes to transfer greater pressure

Product Brochure

International Trade Fair for Construction Machinery, Building Material Machines, Mining Machines and Construction Vehicles

Exhibitor Service International

Tel. +49 89 949-20252

Exhibitor Service China

Tel. +86 21 2020-5500
Legal Information Privacy Policy ? Messe Muenchen Shanghai Co., Ltd.