Good quality. According to the information of Tuba Rabbit's decoration website, Yilianjia doors and windows are made of high-hardness zinc-aluminum alloy profiles, and the quality is guaranteed. Is a first-line brand, after-sales guarantee, so the quality of Yilianjia doors and windows is good. Yilianjia doors and windows was established on March 24th, 20021year, and its registered place is located at No.8 Bazhen Avenue, Mi Mou Town, qingbaijiang district, Sichuan.