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After-sales service:0518-85826308

241 Yuzhou South Road, Haizhou District, Lianyungang City




Our products have been sold to 33 provinces, municipalities and autonomous regions, and exported to more than 40 countries and regions. From 2008 to 2014, we have been recognized as the national "leading enterprise in the manufacturing industry of special equipment for geological exploration" for seven consecutive years.

Four big series


+ 80 varieties

Supporting XY series, HXY series of a variety of drilling tower; All kinds of drilling tools and mud pumps for core-drilling machine and trenchless drilling machine.

It covers an area of 191,400 square meters and a building area of 103,700 square meters

The company covers an area of 191400 square meters, construction area of 103700 square meters, production equipment, testing equipment more than 450 sets, with geological exploration technology and equipment, coal bed methane drilling technology and equipment, engineering pile drilling technology and equipment, trenchless pipe laying technology equipment and supporting RIGS, drilling tools, mud pump design and production of integrated machinery manufacturing capacity.

Lianyungang huanghai exploration technology co., LTD. (formerly lianyungang huanghai machinery co., LTD.) is China's drilling machinery...

With excellent team and excellent equipment, to provide customers with ideal products and value services

After 50 years of development, the company has accumulated profound knowledge in the industry and key technologies as well; ours was rewarded the first prize of Science and Technology Award of Ministry of Land and Resources in 2013 for "Key Technology and Drilling Rig Series of High Performance Full Hydraulic Geological Drilling Machine". HXY-9B Spindle Core Drilling Rig has completed "the deepest drilling hole for rock gold exploration in China", with the final depth of boring hole at 4,006.17 meters and the final diameter of 75mm, which has pioneered deep drilling for minor diameter drilling holes in solid mineral exploration in China. The largest capacity horizontal directional drill rig with the maximum pullback capacity of 1000 tons has successfully completed the directional crossing of the Yellow River Irrigation Area Project in Qinbei District, Jiaozuo City, Henan Province and the Baodi-Xianghe-Xiji gas transmission pipeline project in Shaanxi-Beijing fourth Line.