An kafa kamfanin Tengzhou Hoton Machinery Co.,LTD a shekarar 2006, kuma ita ce ƙwararriyar mai kera injina a China. Akwai ma'aikata 480, waɗanda 60 daga cikinsu injiniyoyi ne. Tana da faɗin murabba'in mita 46,000, kadarorin gabaɗaya 30,000,000. Tana da shagon kayan aiki 350 da kuma ƙwarewar ƙira da ƙera kayayyaki. Tana da izinin ingancin fitarwa daga 2007, kuma tana da haƙƙin fitarwa daga ƙasashen waje wanda Kwamitin Ciniki na Tattalin Arzikin Ƙasashen Waje na Jiha ya bayar a 2008.

Menene injin naɗe ƙarfe na takarda? Birki injin aikin ƙarfe ne wanda ke ba da damar lanƙwasa ƙarfen takarda. Birkin cornice yana ba da damar lanƙwasawa da ƙuraje masu sauƙi kawai, yayin da birkin akwati da kwanon rufi kuma yana ba da damar...