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With concise and decent appearance, the product features good heat insulation and sound insulation performance; and big opening area, it won't occupy the indoor space due to the outward opening mode. 

It is made of Yalian brand high-strength 6063-T5 Mg-Al-Si alloy profile made by Zhonglian and is equipped with Shenzhen Hopo hardware system which is famous at home; and features excellent and unified effect with reliable quality. 

The product adopts EPDM composite foamed automotive grade sealing strip, which is soft, aging resistant and durable and has better sealing effect. 

Continuous bending and hollow double-sided automotive grade tempered glass, it is moisture proof, sound insulation and heat insulation with better safety performance. 

It adopts 304# stainless steel friction hinge and features high loading capacity, safe and reliable performance, and the hinge can stop at any position within 90o opening angle.

It is applicable to the exterior windows of dustproof and noise-proof spaces such as living room, bedroom, kitchen, etc. 

304# stainless steel friction hinge

The product adopts ultra-thick milling-free rib and features beautiful appearance and high loading capacity. It allows to freely fix the openness of sash within 90o to ensure the indoor ventilation effect and has unparalleled safety protection effect.