Changsha Haochang Machinery (HC Enginepart) ke moetsi ea thehiloeng Chaena le morekisi oa lireng tsa piston tse nchafalitsoeng bakeng sa lienjine tsa diesel tsa MAN B&W tse lebelo le tlase, ho kenyeletsoa letoto la MC-C le ME-C. HC e etsa liring tsa piston ho tsoa ho lisampole tsa bareki kapa litšoantšo, tse nang le bophara ba ho tloha ho φ30 ho isa ho 800 mm - tse kenyelletsang mefuta ea MAN B&W joalo ka S50MC-C (500 mm bore), S60MC-C (600 mm), S70ME-C (700 mm), le S80ME-C (800 mm). Mehele eohle ea piston e hlahisoa ho latela litlhaloso tsa OE tlasa ISO 9001: sistimi ea boleng ba 2015. Lienjine tsena li sebetsa e le tsona tse tsamaisang likepe tse kholo, tse tsamaisang thepa ka bongata, le likepe tsa litanka.