Ua hoʻokumu ʻia ʻo Shanghai Zhengyi Machinery Engineering Technology Manufacturing Co., Ltd. (CPSHZY) i ka makahiki 1997, ʻo ia ka lālā o Mechanical & Electrical o Charoen Pokphand Group (CP M&E).

He loea ʻo CPSHZY i ka hana ʻana i nā mīkini hana hānai a me ka hana nui ʻana o nā make wili pellet ma mua o 25 mau makahiki, a me ka mea hoʻolako i ka ʻōnaehana palekana kaiapuni a me nā hoʻonā no nā mea kanu hānai a me ka mahiʻai aquaculture. Ua loaʻa iā CPSHZY ka palapala hōʻoia ISO9001 ma mua a he nui nā palapala hoʻopaʻa inoa i hana ʻia, a me kahi ʻoihana ʻenehana kiʻekiʻe ma Shanghai.

No ka hoʻolako ʻana i nā papahana piha me ka ʻoi aku ka maikaʻi ma mua o nā mea kūʻai aku, hoʻohui maoli ʻo CPSHZY i nā lako hana kūpono, ka ʻike loea, ka hoʻolālā ʻoihana a me ke kūlana kiʻekiʻe a me nā lawelawe i ka hoʻokele papahana a me nā kūlana kikoʻī like ʻole. Hoʻokuʻu ʻia aku nā mīkini hānai CPSHZY a me ka ʻōnaehana palekana kaiapuni i nā ʻāina ʻē e like me Asia Hikina Hema, Hikina Waena, ʻApelika a me ʻAmelika Latina.