Nws yog siv nyob rau hauv fastening teb ntawm ntau yam hlau daim hlau, kav dej thiab lwm yam kev lag luam.Tam sim no, nws yog dav siv nyob rau hauv kev sib sau ua ke ntawm electromechanical thiab lub teeb kev lag luam khoom xws li tsheb, aviation, railway, tub yees, elevator, hloov, ntsuas, rooj tog thiab kho kom zoo nkauj.
Post lub sij hawm: Nov-03-2021