Shangyu Tianya Photographic Factory was founded in 1999, located in Shangyu City.Zhejiang Province, China. Our factory specializes in manufacturing different kinds of photographic equipment, covering an area of 8000 square meters, including 80 employees. Now We have our own brand WTIANYA, exploring to Southeast Asia, Europe and America. And we mainly manufacture high quality products with filters. We produce filters like UV filter, CPL filter, SLIM UV filter, SLIM CPL filter, ND filter, Color filter, Diffuser filter. What is more, our products are according to the ISO9001:2000 standard and...