Since its founding in 1985, our company has enjoyed an average annual growth rate of 30%. Now it has been developed into the country’s leading manufacturer of mining hydraulic power, as well as the National leading manufacturer of connector industry in the country. In 2022, the company achieved the operating revenue of 228 million yuan.
My company's products are: hose connector, the middle connector, hydraulic auxiliary lines, electro-hydraulic control systems, support and adjacent support control systems, high-pressure filtration systems, high-pressure hose assembly and other leading products a famous brand. Among them, the hose connector and the middle connector in the domestic market leader.

Adhering to the mission of “services change everything”, about 6.8% of the annual sales revenue is used for research and development. The physical and chemical laboratory of Long Wall Fluid engineering technology center can provide materials of high quality required for mining fluid connector, to meet the need of hydraulic technology with high reliability and long service life under impact load of high strength, so as to achieve the quality of the products you need. With the technological innovation strength, Long Wall has successively won the honors of “National Key New Product”, “National High Tech Enterprise”, “Provincial Famous Trademark”, “Provincial Science and Technology Progress Award”, “Provincial Engineering Technology Center” and so on. By December 31, 2016, Long Wall has been awarded nearly 300 national authorized patents.
With first-class product quality, Long Wall products are widely used in over 200 mining companies, including Shenhua Group, China National Coal Group Corp, Yankuang Group, Shaanxi Coal and Chemical Industry, Zhengzhou Coal Group and North of Liaoning Coal Mining Group. Our products are also exported in great amount to the United States, Australia, Russia, Ukraine, Poland, Czech, Germany and other countries, further to constantly promote “the products manufactured in China” out of the country.
“Based on innovation, focused on quality, integrity services, sincere cooperation and mutual development” is the consistent pursuit of Long Wall. It is the eternal principle of Long Wall to provide customers with high quality, safe and reliable technology and products. We will continue to surpass ourselves and create value for customers as always, so as to provide better technology, products and services.