In the face of long winters, doors and windows serve as the first line of defense, with their importance being self-evident. A quality door and window system is the core of this defense line. Poor-quality systems with inadequate sealing allow cold winds and storms to easily penetrate through gaps into your home. The CMECH Tightly Sealed Sliding Window System faces extreme weather fearlessly, featuring maximum-grade air tightness, water resistance, and wind pressure resistance, ensuring your home stays protected even when outside temperatures drop to freezing.



Sealed Like a Shield, Waterproof Like a Wall
Level 5 water resistance, Level 8 air tightness
From the initial design phase, CMECH engineers rigorously considered sealing issues. The tightly sealed sliding window system demonstrates expertise in waterproof sealing, using the same principles as airplane and high-speed train cabin doors:
Side-sliding – Internal pressure – Locking
Hardware with gasket compression of 5.6mm
High-compression sealing with deep-press design
Multi-point locking system enhances air tightness
Comprehensive waterproofing prevents cold air and rain infiltration




Tough and Pressure-Resistant, Fearless Against Strong Winds
Level 9 wind resistance, 10000N total bending strength
The compression resistance of the tightly sealed sliding window system is crucia
CMECH’s dual upper pulley assembly design solution
Achieves total window panel bending strength of 10000N
Equivalent to 1000kg of lateral load capacity
Provides maximum protection against strong winds and extreme weather
Completely watertight




Smooth Operation, Silent Comfort
The CMECH tightly sealed sliding window system
Considered noise reduction needs from conception
Upper, lower, and horizontal wheels are wrapped in imported high-strength wear-resistant modified plastic
Lower sliding wheel translation mechanism features scientific motion design
Rack-driven eccentric wheel rotation, energy-efficient, wear-resistant, and low-noise
Enhances user experience with dual benefits of tranquility and comfort


