Kodi mungagule bwanji lubani?

Zofiyira (kapena nsalu yopanda madzi) ndizolimba kwambiri, kulimba kwabwino komanso kufewa kopanda madzi. Nthawi zambiri amagwiritsidwa ntchito ngati chinsalu (chinsalu cha mafuta), polyester yokutidwa ndi polyurethane kapena kupangidwa pulasitiki wa polyethylene.
Zofiyira zimakhala ndi ntchito zosiyanasiyana ndipo zimagwirizana kwambiri ndi ntchito za anthu komanso moyo wawo. Kodi tingagule bwanjilona products with consistent functions and reliable quality? Today, the editor of Cheng Cheng will take everyone to understand the national standards and quality requirements of the lona.
There are many kinds of lonas, and the materials of each lona are different, and the effect of use is also different. ZolembaNthawi zambiri amakhala ndi ma grommets olimba pamakona kapena m'mbali kuti athandizire kumanga, kupachika kapena kuphimba ndi zingwe.
 
Nthawi zambiri amagwiritsidwa ntchito popanga zomangamanga, makampani opanga mankhwala, njere zosagwira mvula, zotsekera magalimoto pamagalimoto, ndi zina zambiri chifukwa chamadzi. Chifukwa cha kuwala kwake kwa dzuwa, nthawi zambiri amagwiritsidwa ntchito poulula zopangira m'mafakitole ndi zotchingira dzuwa m'mabotolo.
Pali miyezo yambiri yamayikolona, and the quality requirements involve chloride ion testing, quality testing, tensile testing, fire rating testing, combustion performance testing, index testing, material testing, aging testing, density testing, service life evaluation and so on. Take the packaging industry standard "BB/T0037-2012 double-sided coated PVC flame retardant waterproof cloth and lona" as an example.