FIVER Environment Group Company., Limited, established in 1996, is a professional manufacturer specializing in all kinds of uv ballasts and uv lamps from 4 wattage to 60KW. We have more than two hundred thousands square meter production workshops, and also hold more than 70 invention patents and ISO9001, CE and UL qualifications. Our products can use on ballast water treatment systems, uv curing systems, air purification industry, fume purification industry, waster gas treatment industry and so on. Need any help, please feel free to send us a email and our email address is jerry@uvcballast.com.