Xov Xwm

Qhov pom kev zoo ntawm cov khoom siv yas ntxuav thiab khoom siv rov ua dua tshiab
los ntawm Admin rau 20-10-29
Thaum Lub Xya Hli 2017, yav dhau los Ministry ntawm ib puag ncig kev tiv thaiv hloov kho thiab teev 24 yam khoom "txawv teb chaws pov tseg" nrog rau cov hnab yas khib nyiab thiab daim ntawv pov tseg rau hauv phau ntawv teev npe ntawm kev txwv tsis pub coj cov khoom pov tseg, thiab ua tiav cov ...
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PE multi-txheej yeeb nkab extrusion kab
los ntawm Admin rau 20-10-29
PE multi-txheej yeeb nkab extrusion kab tuaj yeem ua rau 2, 3, 4, 5 txheej ntawm cov kav dej los ntawm ntau lub tshuab sib txuas extrusion. Rau kev tsim cov yeeb nkab ntau txheej, ntau txheej, ntau cov ntaub ntawv, qhov nyuaj nws yog cov khoom lag luam. Cov khaubncaws sab nraud povtseg sib txawv tseem yuav muaj sib txawv ...
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Yuav ua li cas xaiv lub cev muaj zog
los ntawm Admin rau 20-10-29
Lub zog ntawm lub cev muaj zog yuav tsum raug xaiv raws li lub zog uas yuav tsum tau los ntawm kev siv tshuab ua kom lub cev muaj zog ua haujlwm raws li cov ntaus nqi kom deb li deb tau. Ob lub ntsiab lus hauv qab no yuav tsum tau them rau thaum xaiv: ...
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