waste

Lam Dong: People exchange trash for gifts

Báo Sài Gòn Giải phóng

27/09/2025

Chicken feathers also turn the soil into "brown gold"

Báo Dân tộc và Phát triển

02/06/2025

Turning areca spathe waste into export goods

Báo Tiền Phong

10/04/2024

Method of producing iron from toxic red mud in 10 minutes

VnExpress

11/02/2024

Earn billions from trash, dried bananas, basa fish skin

Báo Dân trí

07/10/2023