ʻO ZhenJiang Great Wall Heavy Industry Technology Co., Ltd. (ma ʻaneʻi a ma hope i kapa ʻia ʻo Great Wall ) aia ma Zhenjiang kūlanakauhale, Hema o Yangtze River, nona ka ʻāpana waiwai ʻo Yangtze River Delta, nona ke kahua kaʻaahi o Shanghai-Nanjing a me Shanghai-Beijing High. - nā ala kaʻaahi wikiwiki; 30 mau kilomita mai ke awa ʻo Zhenjiang, 50 mau kilomita mai ke kahua mokulele ʻo Changzhou, 70 mau kilomita mai ke kahua mokulele ʻo Nanjing, a me ke kahua mokulele ʻo YangzhouTaizhou; Ua hala ʻo Great Wall i ka palapala ISO Quality Management System; ua hala kona WPS a me nā welders i ka palapala BV; ʻae ʻia nā mea maka a me nā huahana i hoʻopau ʻia e International Third Testing Institute e like me SGS, CCIC, CNAS etc. Eia kekahi, ua loaʻa iā Great Wall kekahi mau patent R&D kūʻokoʻa.