Anhui Jarlo Construction Machinery Co., Ltd. is one of the earliest companies in China to proactively develop underground mining and tunnel concrete support equipment. As a company responsible for the development of national key new products, it has served national infrastructure, water conservancy and hydro-power, and mining excavation support for more than 20 years. The company′s concrete wet spraying machine project has passed the national expert review and appraisal, is included in the national science and technology research plan, and has received support from the National Science and Technology Innovation Fund and many other supports. The technology has always been at the international leading level. The company has been rated as the Industrial Design Center of Anhui Province and the Enterprise Technology Center of Anqing City, and has won honorary titles such as "Professional, Specialized New Little Giant Enterprise". The "Intelligent Concrete Wet Spraying Machine Key Technology Research & Development and Application" project has been rated as " Third Prize of Anhui Provincial Science and Technology Progress Award in 2019. " The company mainly produces a series of products such as wet spraying machine, transportation vehicles, scaling rig, rock drilling jumbo, rock breaker and dynamite charging rig, all of which have obtained the "National Mining Product Safety Certificate. " The company is located in the Machinery Manufacturing Industrial Park of Anqing Economic and Technological Development Zone, Anhui Province. It currently has more than 400 employees, including more than 100 R&D and technical personnel. It is equipped with six specialized workshops: Structural, electrical, finishing, assembly, re-manufacturing, rock drilling and assembly, and more than 200 sets of various mechanical processing equipment and testing equipment. It has two technology research and development centers in the Anqing production base and the Hefei subsidiary, and has set up a structural parts branch in Ma′anshan, with a total factory area of 25, 000 square meters and the ability to produce more than 1, 000 units of various types of machines annually. The company′s mining equipment is widely used by Shandong Gold Group, China Coal Group, China Min-metals Group, Huaye Science and Industry Group, China Nonferrous Metals, China Railway, China Railway Construction, China Power Construction, China Transportation Group, China Construction Group, China Energy Construction Group and other mining and engineering construction projects. At the same time, we vigorously explore the international market and our products were exported to many countries and regions worldwide.