... pressure, better stagnation performance;(4) Graceful outline, well matched to the building;(5) Stable quality, free maintenance and long ... 3)Optical low iron tempered glass cover, light transmit up to 92%-94%, reflection and refraction make the “greenhouse effect” ... 4)Integrated frame design, nice outlook, stable structure, easy to install;(5)Integrated polyurethane foaming, thicken back and side ...