Compared to the cost-effective cutting corner bracket, the die-casting corner brackets we use far surpasses it in terms of strength, durability, mechanical performance, and corrosion resistance.

Different corner bonding techniques can significantly impact the effectiveness of corner joints. The active corner bracket joint method, which relies on screws and spring clips to connect corner brackets and profiles, often results in insufficient firmness and inadequate tightness at the corners, compromising the reliability of door and window frames. In contrast, CIVRO employs a technique that injects specialised corner adhesive to securely bond corner brackets and profiles. Additionally, the corner rounding machine reinforces adhesion at the corners, ensuring optimal stability, strength, and sealing properties. The laboratory data indicates that the corner strength achieved through CIVRO's corner bonding technique is exceptionally high, with average values of: door leaf corner strength: 18,887 N (using the XD55 model as an example) and window frame corner strength: 8,323 N.