ABOUT LEHAI

Focusing on exploring the field of specialized chemical equipment

About Us

New Diamond

About the New Vajra


Hunan Xin Jin Gang Construction Machinery Co., Ltd.

Hunan Xin Jin Gang Construction Machinery Co., Ltd.

Hunan New Diamond Construction Machinery Co., Ltd.


Founded in 2011

Hunan Xin Jin Gang Engineering Machinery Co., Ltd. is a modern, high-tech enterprise specializing in the research and manufacture of rock drilling and pneumatic tools. The company primarily develops and produces high-air-pressure down-the-hole hammers, various down-the-hole drill bits, drill rods, and rock drilling equipment. Its products are widely used in earthworks, mining operations, well-drilling projects, construction engineering, geothermal exploration, and municipal engineering.

The company currently employs nearly 700 people, including 135 mid- and senior-level managers and R&D personnel, all of whom possess extensive professional expertise and strong management capabilities. Our products are exported to more than 50 countries and regions, including Australia, Chile, Canada, South Africa, Ethiopia, Malaysia, South Korea, Brazil, Russia, Taiwan, and Hong Kong, and have earned high praise from a wide range of customers. Over the years, Hunan Xin Jin Gang has continuously raised industry standards in the rock drilling and tunneling tools sector, steadily forging a benchmark brand through relentless pursuit and advancement!

700 person

Working personnel

135 person

Manage developers

50 +

The product is exported far and wide.