Peb Daim Ntawv Pov Thawj
Peb koom tes nrog cov ceg bearing thiab qee qhov kev tso cai. Peb cov bearings yog tshiab thiab tiag. Cov ntawv pov thawj kos npe thiab kos npe los ntawm lub tsev lag luam pov thawj tias txhua tus ntawm lawv yog thawj. Yog xav paub ntxiv, thov hu rau peb.
