Lus piav qhia luv luv:

Kev taw qhia luv luv Lub stainless hlau hluav taws xob motorized penstock valve yog tsuas yog siv nyob rau hauv cov dej phwj tuaj kho cov nroj tsuag, waterplants, kua thiab irrigation, ib puag ncig tiv thaiv, hluav taws xob, channel thiab lwm yam dej num los txiav tawm, tswj dej ntws, thiab tswj cov qib dej. Stainless hlau fais motorized penstock valve yog siv nyob rau hauv nruab nrab ntawm cov channel, peb-txoj kev sealing. Cov khoom tseem ceeb ntawm lub cev khoom Stainless hlau, carbon steel Disc khoom ...