Shanghai YuanTu.Optoectronics Science and Technology Co. Ltd is a far more experienced and background company in UV light source. Shanghai Yuantu Optoelectronics Science And Technology Co., Ltd. is authorized foreign brands UVLED agent in China and also a solution provider to those who has no experience in UV LED. The products we have covers all UV wavelength from UVA to UVC: UVA in electronics and printing industry, UVB in Phototherapy to treat skin disease, UVC in disinfection and sterilization. For exemple, our UVC water disinfection module has been already used by a Chinese leading drinking water machine manufacturer and in mass production.Shanghai Yuantu Optoelectronics Science And Technology Co., Ltd. is a the company with core value of human being, based on green technology. May we create the better environment with you!