Jollystar photoelectric science & technology Co., Ltd,established 2004,is located in Changchun which is a traditional optical base.we design and manufacture custom optical components and digital camera lenses such as wide conversion lens,tele conversion lens,fisheye lens,camera filter,ring adpaters in science and industry. We have a skilled production team with a wealth of manufacturing experience and a sale team to offer a personal service and answer any technical enquiries you may have. In a long time, The company insist the culture of "fair, sincerity, mutual, benefit", never stop innovating, and never stop advancing. In a word, high quality, prompt delivery and competitive price are our company policy. I hope all our prospective and existing customers will find our catalogue useful and we are desirous and seeking to develop long-term business relationship with the merchants all of the word.