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AK70内开下悬窗主型材可视面壁厚2.5mm以上，符合型材国家标准GB/8814-2004；
可安装19mm、24mm厚双玻和32mm厚三玻，符合国内外对玻璃厚度的要求；
彩色双面覆膜型材，完全达到以塑代木的效果，窗户美观、大方，不同纹理的木纹质感和家居环境更加协调，装饰膜优越的防紫外线性能，有效的避免型材变色，满足市场商品质量的需求；
主型材均为四腔三密封结构，气密性能达国内8级以上，水密性能达国标5级，隔声性能达国标第5级；
型材的大断面设计，具有很好的抗风压性能，抗风压性能达国标第6级；
保温性能可达国标第8级，传热系数K值可达到1.6w/m2.k以下；
适用于节能及各方面要求高的建筑，适用于各方面要求高的节能建筑，可用于卧室窗、阳光窗及景观房等。
The wall thickness of visible section of main profile of AK70 inwards opening and bottom-hinged window is more than 2.5mm, up to GB/8814-2004; 19mm- and 24mm-thick double glass and 32mm-thick triple glass may be used, to meet domestic and foreign requirements for the thickness of glass;
Covering the both sides of profile with colored film gives the window an attractive wood-like appearance, different wood grains presents a harmonious living environment, anti-UV decorative film can effectively avoid the deformation of profile and meet the demands of market;
Main profile, with four cavities and triple seals, have grade 8 air tightness, grade 5 water tightness and grade 5 sound insulation;
The big section of profile makes it capable of resisting wind, with its wind-resistance performance reaching GB 6 grade;
 heat insulation reaches GB 8 grade and heat transfer coefficient K is 1.6w/m2.k and below;
Suitable for buildings with a high requirement for energy saving and other aspects and for energy-efficient buildings with high requirements for all respects. Applicable to bedroom windows, sunny windows and landscape rooms.

AK185提升推拉门有固定的提升滑轮装置。
安装方便推拉轻松，通过执手转动角度的不同能固定推拉窗扇在轨道任何位置，安全性能好
带有微通风功能，可选 双面带锁执手。
密封性能大于普通推拉门。
型材大、腔体多强度高，稳定性好，抗风压、抗震性能强。
适用于家宅、别墅、阳台、酒店等。
AK185 lift-and-slide door is equipped with fixed lift pulley unit.
Simple and easy to be installed and slid, sashes can be fixed at any position on the track by turning the handle to different angles, and are extremely safe.
Capable of slight ventilation and with double locked handle.
With better air-tightness than ordinary sliding doors.
Big profiles and multi-cavities ensure high strength, good stability, wind-resistance and anti-violation.
 Suitable for residence, villas, balconies and hotels.