Abubuwan da aka bayar na Shijiazhuang Changshan Beiming Technology Co., Ltd. An kafa Ltd. tun Disamba 1998. Bayan shekaru 60 na gwaninta a masana'antar yadi, Changshan yana da fa'ida mai ƙarfi a cikin R&D, Zane-zane da Kera don masaku. Ya zuwa yanzu, kasuwancin Yadi na Chagnshan yana da sansanonin masana'antu guda biyu tare da ma'aikata 5,054, kuma ya mamaye yanki na murabba'in murabba'in 1,400,000. Kasuwancin yadin da aka sanye da sanduna 450,000, da ɗigon jiragen sama 1,000 (ya haɗa da nau'ikan jacquard 40). Ma'aikatar kimiyya da fasaha ta gwamnatocin kasar Sin, da hukumar kwastam ta kasar Sin, da hukumar raya kasa da yin gyare-gyare ta kasar Sin, da ma'aikatar ba da izinin tabbatar da daidaito ta kasar Sin ta samu cancantar yin gwajin gida na Changshan.