Wenzhou Longer Optical Co., Ltd. is the first company in China specialized in producing PC optical lenses. By the end of 20th century, our company has collected elite of optics, plastic machinery, plastic mold and fine chemistry and invested in a large sum of fund. After 5 years of research and development, our company has taken the lead in adopting intellectual independent property right and producing high quality PC optical lenses with our advanced production techniques, top-ranking test equipment and modernized management.