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  • Underground Drill Rigs

    The Engineering Drilling Rigs

    Horizontal Directional Drilling Rig

    CBM Multifunctional Ddrilling Rig

    Auxiliary Equipment & Apparatus for Complete set of Rig

    We are committed to

    1. Abide by national and local laws, regulations and other requirements on quality, environmental

    protection and safety.

    2. Continuously save energy and reduce consumpt-

    ion in the whole process of product production,

    strive to achieve continuous improvement of environmental management system and environmental

    behavior, and minimize resource consumption.



    H.H Drill-Tech Drilling Machinery Co.,

    Ltd. (former lianyungang huanghai

    machinery co., LTD.)

    The company is engaged in the design

    and manufacture of complete sets of

    technical equipment for geological

    exploration ...

    Successful Performance in Henan Province
    Congratulations on the central heating network project of shangqiu city contracted by jiangsu zhanshen group. Directional drilling through the heat pipe with diameter of 1400 and 720 meters and then connecting the first-class sand layer to tow back successfully. This project marks the largest pipe diameter in the heat pipe trenchless industry!
    Successful Performance in Henan Province
    2018 (20th) China international mining conference
    Sponsored by China mining association, the China international mining congress (the 20th) will be held in tianjin meijiang convention and exhibition center from October 18 to 20, 2018.
    2018 (20th) China international mining conference
    HXY-6B core drilling rig has once again set a new record for large-diameter core exploration
    HXY-6B is a kind of spindle core drilling rig designed by our company to improve the advantages and characteristics of various types of core drilling machines at home and abroad. It is mainly suitable for metallic and non-metallic solid deposit exploration. It is widely used in geology, metallurgy, coal, hydrology, water well, engineering and other industries to diamond and cemented carbide drilling mainly core drilling equipment, but also suitable for shallow oil and natural gas mining, mine tunnel ventilation, drainage and large diameter foundation pile construction!
    HXY-6B core drilling rig has once again set a new record for large-diameter core exploration


    —— NEWS ——

    Strictly follow the customer demand as the guidance, innovation as the driving force, in good faith as the fundamental, management as the basis of the business philosophy.

    Location: Indonesia working site


    HMC-800 Coal Bed Methane Multifunctional Drilling Rig

    Classic application cases

    Professional construction attitude, invite you to witness together

    HXY-9 Core Drilling Rig


    Shandong working site

    HXY-6B Core Drilling Rig


    Jiangxi working site

    FDP-1000 Horizontal Directional Drilling rig


    Beijing working site

    HYDX-6 Full Hydraulic Core Drill


    Mongolian working site 2

    Scanning focuses on the WeChat platform



    After-sales service:0518-85826308


    0518-85383089(Foreign trade Dept.)

    No.1 xinjian east road, haizhou development zone, lianyungang, jiangsu, China

    Copyright 2016 lianyungang yellow sea exploration technology co., LTD. All rights reserved  苏ICP备18017228号-1  power by www.300.cn