july 9, changsha sainz environmental protection technology co., ltd was established
to conduct pilot-scale incubation and application promotion of biological agent production
may 17 shareholder reform of sainz environmental protection co., ltd
june 30, zijin mining group south investment co., ltd
in june, the first share transfer and entrustment distribution and equity entrustment relationship of sainz
december 8, sainz second share transfer
zijin mining zifeng (xiamen) investment partnership (limited partnership)