Cov yeeb nkab siv tshuab fusion yeeb nkab
Thov
Haum rau kev tsim lub luj tshib, tee, hla thiab Y duab (45 ° thiab 60 °) fittings ntawm PE PP PVDF hauv rooj cob qhia. Kuj tseem siv tau los ua kom ntev txhaj cov txhaj tshuaj moulded phim thiab ua kom haum.
