Generally, for different series of products, the warranty period may vary. Referring to the more detailed warranty period about our optical crystals, please browse the product details which cover the information about the warranty period and service life, on our website. In short, a warranty is a promise to provide repair, maintenance, replacement or refund of a product for a certain time period. The warranty period begins on the date of the purchase of brand new, unused products by the first end-users. Please retain your sales receipt (or your warranty certificate) as proof of purchase, and the proof of purchase must state the date of purchase.

Since the establishment, CRYLIGHT Photonics Co., Ltd. has been always focusing on manufacturing optical lens over many years. Now, we have achieved great accomplishments in this field. etalon produced by CRYLIGHT is very popular in the market. This product has a precise dimension. It is processed by the advanced CNC cutting machine which features high precision. People can make a difference in energy consumption by using this product. It considerably helps people reduce energy use and save energy bills.

The goal of CRYLIGHT is to lead the prevailing mini waveplate industry. Get info!