Dab tsi yog cov screws haum rau?

Screws tau dav siv. Cov ntsia hlau yog ib qho ntawm peb cov fasteners nquag.Nws yog tsuas yog siv nyob rau hauv plaub thaj chaw hauv qab no:

1. Stainless hlau phaj, hlau phaj, galvanized steel phaj, engineering teeb tsa.

2. Kab hlau rhuav phab ntsa hlau thaiv lub teeb duab sib dhos thiab lwm yam kev ua haujlwm sab hauv thiab sab nraum zoov.

3. General Angle steel, channel steel, hlau phaj thiab lwm yam khoom siv hlau txuas ua ke.

4. Lub rooj sib txoos ua haujlwm ntawm cov thawv tsheb, thawv ntim, thawv tsim kev lag luam, kev tsim kho nkoj, khoom siv tub yees, thiab lwm yam.


Sijhawm Tshaj Tawm: Lub Rau Hli-28-2020