Longline focuses on the R & D, design and related services of hydraulic basic components such as balance valve of walking machinery, as well as non-standard integrated valve group and electro-hydraulic control system. The independent R & D ability of the global R & D team, the accumulation of more than 16 years of experience in host application and the successful cases of cooperating with customers to develop products enable us to quickly and accurately provide solutions to meet the diversified needs of customers, whether it is non-standard customization or mass production.

Each product developed by Longline is based on industrial applications and customer needs, jointly set research and development objectives, follow the APQP management system in the whole process, and finally realize the positive research and development, standardization and modularization of products. It has won 27 authorized patents, and the application performance of many products exceeds the benchmark brands in Europe and America. At the same time, the company has also established a technical consulting team composed of famous hydraulic experts at home and abroad, and has conducted in-depth cooperation with many universities such as Zhejiang University of technology and Taiyuan University of technology. It has become the "postgraduate training and practice base" of Taiyuan University of technology, which further promotes the technological innovation of products and ensures the delivery of hydraulic professionals for the company by taking advantage of the scientific research and talent advantages of universities.

With the joint efforts of all members of the company, our products have been widely used in engineering machinery, aerospace, shipbuilding, electric power, steel, petroleum, chemical and other industries. We have made our efforts for the development of the industry and contributed to the modernization of our country.

Adhering to the business philosophy of "quality-oriented, technology as the soul, application as the God and win-win cooperation", we will continue to focus on customers and use the advantages of independent research and development to quickly transform product design into products and become a reliable partner for customers.