Shirkadda Macdanta Birta ee Sirdoonka ee Sichuan Zhanzhi (oo loo yaqaan "Chengdu Zhanzhi Processing") waa shirkad adeeg casri ah oo taageero biraha ah oo isku daraysa farsamaynta birta, soo saarista caqliga leh ee biraha xaashida ah iyo bakhaarka. Shirkaddu waxay ku taal No. 269, Chuangxin Road, Degmada Qingbaijiang, Chengdu, iyadoo maalgelin dhan 250 milyan oo yuan ah iyo dhul ka badan 33,600 mitir oo laba jibbaaran. Shirkaddu waxay ku taallaa ujeeddada isticmaalayaasha adeegga buuxa, iyadoo diiradda saareysa "habaynta saxda ah ee agabka birta + soo saarista caqliga leh ee biraha xaashida ah". Chengdu Processing waxay hore u samaysay xarun jarista iyo qaybinta. Waxay leedahay bakhaar 2,200 mitir oo laba jibbaaran ah oo si toos ah ugu xiran khad tareen oo gaar ah. Waxaa si fiican loogu yaqaanaa adeegyadeeda tayada sare leh iyo hufnaanta leh waxayna leedahay wax soo saar sannadle ah oo dhan 200,000 tan. Laba qalab oo wax soo saar bir ah oo C/Z ah, oo leh awood wax soo saar sannadle ah oo ah 10,000 tan.