Adopted from a sealed mechanism of specific hinge & locking, the door & window have excellent characteristics of thermal ins; ulation & reliable locking.
保温密封门窗采用专用铰链和锁紧密封机构，密封隔热性好、锁紧可靠。
Adopted from a sealed mechanism of specific hinge & locking, the door & window have excellent characteristics of thermal ins; ulation & reliable locking.
保温密封门窗采用专用铰链和锁紧密封机构，密封隔热性好、锁紧可靠。
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