Who we are? Hunan Unit Technology Co.,Ltd launch in Changsha Since 2014 who specialize in the solar products and bathroom heater manufacture and export. We have our own bathroom heater factory in Changsha and solar charger controller factory in Zhumadian. We not only produce high quality bathroom heater and solar but also provide customers with satisfied service. What we provide? We produce and sell products include: a. Solar Lighting Kits b.Solar Charger Controller c. Solar Street Lights d.Bathroom Heater Why us? 1. We have professional engineer terms for the solar and bathroom heater and can provide customers with OEM/ODM service according to special request. 2.Products get at least one year warranty. 3.Packing and LOGO OEM services for acceptable quantity required. 4. Fast production terms and convenient delivery choice from Shenzhen, Guangzhou and Changsha.