Xiamen Solar First Energy Technology Co., Ltd. Adresa 17. poschodie, budova č. 3, operačné centrum Xinglinwan, okres Jimei, Xiamen, PR Čína E-mail sales@esolarfirst.com Telefón +86 592 5211388 Wechat Optimum Solar (Kancelária Solar First USA) Adresa 8079 Conroy Road, Orlando, Florida 32835 Skype zufont E-mail thefmg@aol.com Telefón +1 407 921-8290 Wechat michaelthomasfranklin