Kev ruaj khov
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Koj puas paub?
Koj puas paub? Xyoo 1950 lub ntiaj teb tsuas tsim tau 2 lab tonnes ntawm cov yas ib xyoos. Los ntawm xyoo 2015, peb tsim tau 381 lab tonnes, nce 20 npaug, Pob Yas yog teeb meem rau lub ntiaj teb ... ...Nyeem ntxiv -
Tonchant - Lub hnab tshuaj yej ntawm PLA cov pob kws fiber biologic
Tonchant--Lub hnab tshuaj yej ua los ntawm PLA cov pob kws fiber uas muaj sia Tonchant pawg neeg tshawb fawb thiab kev txhim kho tau tsim cov khoom siv hnab tshuaj yej siv cov khoom siv biopolymer polylactic acid (PLA) uas rov ua dua tshiab tau. Peb cov pob kws fiber (PLA) yog cov khoom siv rov ua dua tshiab tau, tau ntawv pov thawj compostab...Nyeem ntxiv