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Uniproma ntawm PCHI Tuam Tshoj 2021
Uniproma tab tom nthuav tawm ntawm PCHI 2021, hauv Shenzhen Tuam Tshoj. Uniproma tab tom coj cov lim dej UV tiav, cov tshuaj pleev kom tawv nqaij ci ntsa iab thiab cov tshuaj tiv thaiv kev laus nrog rau cov tshuaj noo noo zoo heev ...Nyeem ntxiv -
Cov lim dej UV hauv Kev Lag Luam Saib Xyuas Hnub
Kev saib xyuas lub hnub, thiab tshwj xeeb tshaj yog kev tiv thaiv lub hnub, yog ib qho ntawm cov ntu loj hlob sai tshaj plaws ntawm kev lag luam saib xyuas tus kheej. Tsis tas li ntawd, kev tiv thaiv UV tam sim no tau suav nrog rau hauv ntau hnub...Nyeem ntxiv