汇隆活塞 — Investor Relations & Filings

Huilong Piston specializes in the research, development, manufacture, and sale of pistons for internal combustion engines. The company primarily focuses on large-bore pistons used in marine engines, rail locomotives, and power generation units. Its product portfolio includes a variety of piston types, such as steel-crown aluminum-skirt articulated pistons, integral nodular cast iron pistons, and aluminum alloy pistons. These components are designed to meet the rigorous demands of medium and high-speed diesel engines. Huilong Piston emphasizes technical innovation and precision engineering to ensure high reliability and performance in heavy-duty applications. The company serves as a key supplier for major engine manufacturers, providing critical components that support transportation and energy infrastructure.