About LHS

Corporate Culture

Ltd. will take “unity and practicality, self-improvement” as the spirit of enterprise, “to create the world’s first-class drilling tools” as the goal, “dedicated to customer service” as the purpose, and continue to provide quality products and satisfactory service for customers at home and abroad.

History of Development

Column-tooth bits and horseshoe shaped flake bits are appraised as high quality products by Liaoning Province and China Nonferrous Metals Industry Corporation respectively.


"ZQ Middle Column Teeth Cemented Carbide Bit" was rated as a high-quality product of China Nonferrous Metals Industry Corporation


Introduce the rock drill manufacturing technology of French secma company


Established column chisel bit workshop


The first export of drilling tools to Germany is 78,000 US dollars


The cylindrical tooth bit was awarded the "Golden Eagle Award" for outstanding new products in Liaoning Province


Introduce the manufacturing technology of hot mounting technology for drilling tools from Finland HELSO


Passed ISOP001 quality system certification for the first time in China's drilling tools industry


"ZQ Series Brazing Tools" received the "National New Product Certificate" jointly issued by the State Science and Technology Commission and six other ministries and commissions.


Our company has been identified as an export expansion enterprise by Liaoning Province Mechanical and Electrical Import and Export Office. The company has been honored as an advanced enterprise of non-ferrous system, province and city for many times, and is the pacesetter enterprise of China's non-ferrous system.


Successfully produced trolley drill rod products that meet market demand


Lianhuashan Rock Drilling Tools Co., Ltd. restructured from state-owned public ownership to private operation


The company's annual export value reached 10 million US dollars for the first time


The company established a drill rod workshop, specializing in drill rods for hydraulic trolleys


The company established a shank workshop specializing in the production of drill shanks


The company established a rock drill research and development center, specializing in the research, production, promotion and service of hydraulic rock drills


Cooperative Clients