Yadda za a zabi madaidaicin bawul ɗin malam buɗe ido?
Bawul ɗin malam buɗe ido shine na'urar sarrafa ruwa ta gama gari, ana amfani da ita sosai a masana'antu, gini da noma. Akwai UPVC CPVC PPH PVDF PPH kayan malam buɗe ido. Girman hannun lever malam buɗe ido ya haɗa da DN50, DN65 DN80, DN100, DN 200, The worm geared ...
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