Longsheng sliding door series
The appearance is generous and heavy, which is not only flexible to open, but also durable; It has * * thermal insulation and remarkable energy-saving effect; The frame of the door has a high degree of rigidity, and is firm and durable, with wind pressure resistance and deformation resistance *; * * hardware accessories are used, with user-friendly design, which makes use more flexible and convenient; Broken bridge design, color change inside and outside, better performance * *;