At 9:00 AM on October 12, 2025, a delegation of three from the Jishixia Power Generation Branch of the Upper Yellow River Hydropower Development Co., Ltd. visited the Shenzhen TST SEAL factory for an on-site visit and exchange of views on the technical applications and cooperation prospects of sealing module system solutions. TST SEAL leader An Donghui and the technical team warmly welcomed and accompanied them throughout the visit.

At the symposium, TST SEAL General Manager An Donghui gave the Jishixia Power Generation Branch leaders a detailed introduction to the company’s development history, core technologies, and industrial layout. TST SEAL specializes in providing high-performance sealing module system solutions for the energy and power, water conservancy facilities, and industrial equipment sectors. Its products include static seals, dynamic seals, and integrated sealing units, which are widely used in critical applications such as hydro-turbine generators, valve systems, and high-pressure pipelines. The company has obtained ISO9001 quality management system, ISO14001 environmental management system, and GB/T28001 occupational health and safety management system certifications, and strictly adheres to national and industry standards to ensure product reliability and compliance throughout the entire product lifecycle.

The TST SEAL technical team demonstrated the company’s innovative achievements in sealing technologies for vibration resistance, wear resistance, watertightness, airtightness, electromagnetic interference resistance, and long life, highlighting successful application cases in multiple hydropower projects. Leaders from the Jishixia Power Generation Branch highly recognized the company’s technological R&D capabilities, production management standards, and quality control system.

Leaders from the Jishixia Power Generation Branch stated, “TST SEAL’s expertise in sealing systems is impressive, especially in complex operating conditions. Their solutions offer strong adaptability and stability, providing strong assurance for the safe operation of hydropower equipment.”

This visit has laid a solid foundation for deepening cooperation between the two parties. TST SEAL will continue to be technology-driven, adhere to compliance as its bottom line, and prioritize quality, providing customers with safer, more efficient, and reliable sealing system solutions to contribute to the high-quality development of the global energy industry.