Xiamen Solar First Energy Technology Co., Ltd. Adresa 17. kat, zgrada br. 3, operativni centar Xinglinwan, okrug Jimei, Xiamen, NR Kina E-mail sales@esolarfirst.com Telefon +86 592 5211388 Wechat Optimalna solarna energija (Solar First ured u SAD-u) Adresa 8079 Conroy Road, Orlando, Florida 32835 Skype zufont E-mail thefmg@aol.com Telefon +1 407 921-8290 Wechat michaelthomasfranklin