Xiangshan County ya Ningbo City ndi mzinda wotchuka woluka ku China. Pambuyo pazaka zopitilira 40 zachitukuko, idapanga njira yokwanira yamafakitale "kafukufuku, kupota, kuluka, utoto, kumaliza, kupeta, kusindikiza, zovala ndi malonda.
A Boyin amachitira makina aliwonse, mphuno iliyonse ili ndi chisamaliro.Maphuno ali ngati ana athu, amafunikira chisamaliro chosamala, chodekha komanso chodekha. Kenako, a Boyin apitiliza kufotokozera momwe angasungire makinawo ndi ma nozzles m'nyengo yozizira② Samalirani osankhidwa osasunthika.
Chiwonetsero cha 23 cha Bangladesh Textile and Accessories chichitika posachedwa. Zhejiang Boyin Digital Technology Co., Ltd. ndi mnzake waku RBR Company adabweretsa chiwonetsero chodabwitsa pachiwonetserochi.
Kumwaza kusindikiza kwa digito ndi njira yosindikizira mwachindunji pansalu yopanga (monga poliyesitala), ndi Boyin digital Technology Co., Ltd. kuwonjezera pa njira yabwino yobalalitsira, komanso yabwino pa inki yosindikizira ya Pigment, inki yosindikizira yokhazikika, Acid pri