Muaj pes tsawg lub sij hawm tuaj yeem zawv zawg rooj rau cov menyuam?
Lub qhov rooj sliding didid lub qhov rooj rau cov menyuam ua si dag dag li 60, 000lub sij hawm, thiab ib hom menyuam yaus tuaj yeem swb dua 100, {} Cov khoom siv ntawm cov ntaub pua chaw, tab sis nws yuav tau txais nyuaj, ploj mus, thiab ua tsis tau swb tom qab siv sijhawm ntev; The metal pulley is very strong, but it produces noise when it is getting touched with the track. Glass fiber toughness, good wear resistance, slide smooth. In addition, the good pulley design has two anti-jumping devices to ensure the safety of the sliding door. We must choose carefully.
Yog tias koj txaus siab rau nws, koj tuaj yeem paub ntau ntxiv txog Huajian stainless hlau driver ob zaug bearings {}}}}}}} 6.
