狠狠色狠狠色综合伊人_一级欧美一级日韩片_男女摸下面刺激免费视频软件_一级裸片潘金莲

Yijia Radiation-proof fabric: The fabric formed by weaving a certain amount of metal fibers into yarns in proportion to cotton fibers, polyester fibers, or other fibers. The anti-radiation fabric contains 20% ~ 50% of the metal fiber which can pass through the metal network to shield more than 99% of the harmful electromagnetic waves. Our anti-radiation fabric is within the range of 200mh-40ghz frequency, and the shielding efficiency is greater than 35dB(standard is greater than 20dB).

• 

  防輻射面料零信號

• 

  熒光黃反光背心可印字

• 

  億佳阻燃防靜電防護服