UTEC has been deeply involved in the mining equipment industry for many years, providing high-quality sealing products with good sealing performance, excellent oxygen resistance, and strong wear resistance for various mining equipment and mining hydraulic supports. The pure water hydraulic support seal developed by our company is widely used in the world's first set of pure water hydraulic support produced by SANY Heavy Industry in Jinjie Coal Mine of National Energy Group. It is the core component of the world's first set of pure water support with stable performance and reliable technology.