hat
Pwojeksyon elastik gen ekspansyon tèmik ak sistèm frèt retresi: 8 gwoup detachable bra &amp; poto elastik, 8 kouche fèy ekspansyon ak pòs lateral yo. Pa pwal gen okenn gonfle ak bravo ki te koze pa chanjman tanperati a.
eng
Elastic pro has thermal expansion and cold shrink system: 8 group resilience arms &amp; elastic pillars, 8 sets expansion sheet and lateral post. There will no bulging and cracking caused by temperature change.