Changsha Haochang Machinery (HC Enginepart) is a China-based manufacturer and exporter of replacement cylinder liners for Mitsubishi S6R and S6R2 series diesel engines, including the S6R2-PTA-C and S6R2-PTAA-C models. HC produces cylinder liners to OE specifications under the ISO 9001:2015 quality system. The S6R/S6R2 is a 6-cylinder in-line, four-stroke diesel engine with a 170 mm bore and 29.96 L displacement, widely deployed in generator sets, marine auxiliary power, industrial, and telecom applications. HC supplies both wet and dry type cylinder liners and can develop liners from customer drawings or samples. Buyers can request samples and quotations through hc-enginepart.com