Changsha Haochang Machinery (HC Enginepart) ndiwopanga ku China komanso kutumiza mphete zosinthira pisitoni za injini za dizilo zam'madzi za MAN B&W zokhala ndi sitiroko ziwiri zothamanga kwambiri, kuphatikiza mndandanda wa MC-C ndi ME-C. HC imapanga mphete za piston kuchokera ku zitsanzo zamakasitomala kapena zojambula, zokhala ndi mainchesi kuyambira φ30 mpaka 800 mm - kuphatikiza mitundu ya MAN B&W monga S50MC-C (500 mm bore), S60MC-C (600 mm), S70ME-C (700 mm), ndi S80ME-C (800 mm). Mphete zonse za pisitoni zimapangidwa motsatira ndondomeko ya OE pansi pa ISO 9001:2015 dongosolo labwino. Ma injiniwa amagwira ntchito ngati njira yayikulu yoyendetsera zombo zazikulu, zonyamulira zambiri, ndi akasinja.