To be a valuable global supplier
for metallic honeycombs and turbine parts
November 7, 2026 | Maanshan, Anhui, China
MAT Aviation and Siemens Energy signed a long-term agreement (LTA) covering the supply of components under 23 part numbers for the SGT5-9000HL and SGT6-9000HL heavy-duty gas turbines. The agreement was signed during a visit to MAT Aviation's Maanshan facility on November 5, 2026, by Siemens Energy's Gas Service Central (GSC) team from Berlin.
MAT Aviation and Siemens Energy representatives at the LTA signing ceremony in Maanshan.
HL-Class Component Qualification and Supply
The agreement builds on the qualification work completed in August 2026, when MAT Aviation obtained Unconditional Release (UR) for honeycomb seals for both HL-class platforms. The new agreement marks a milestone in the companies' cooperation and reflects further recognition of MAT Aviation's capabilities as a supplier to Siemens Energy.
Facility Tour and Technical Exchange
The Siemens Energy delegation included representatives from global strategic procurement, supplier quality and operational procurement, as well as members of its commercial and quality teams in China.
During the visit, the delegation toured MAT Aviation's production lines and reviewed its quality control processes. MAT Aviation presented its special process and precision machining capabilities. The teams discussed manufacturing plans, process controls and inspection requirements for key part numbers, along with manufacturing feasibility and delivery planning.
The Siemens Energy team gave positive feedback on MAT Aviation's manufacturing capabilities, the consistency of its quality controls and its ability to meet delivery requirements.
The Siemens Energy delegation tours MAT Aviation's production facility.
Next Steps for Long-Term Supply
MAT Aviation will continue to improve production efficiency and strengthen process controls to maintain consistent product quality and on-time delivery. Over time, the company aims to extend its support across Siemens Energy's gas turbine portfolio and contribute to a more resilient global supply chain.
MAT Aviation and Siemens Energy teams at the Maanshan facility.