The company has long been supporting automobile and engine companies such as Weichai, Yuchai, Xichai, Shangchai, Dachai, Dongfeng, Jiangling, Foton, Great Wall, JAC, Iveco, Renault, Hino, etc. The domestic main engine supporting share of high-pressure oil pipes reaches more than 70%. The domestic main engine matching share of diesel engine low-pressure pipelines is more than 40%; the marine engine double-layer protective high-pressure oil pipeline has won the national patent (patent number: 2019217398885), and the domestic main engine matching market is close to 100%.

Shandong Longkou Tubing Co., Ltd. has won the wide trust of users with advanced management concepts, years of production experience, mature technology, rapid development speed, strong raw material reserves and excellent after-sales service. The company is willing to seek a bright future with all users with a high degree of enthusiasm.