For the detailed answer to this question, you'd better contact our staff. In general, optical
crystals can enjoy an extended warranty service at CRYLIGHT Photonics Co., Ltd.. An extended warranty, sometimes called a service agreement, or a maintenance agreement is a prolonged warranty offered to customers in addition to the standard warranty on new items. It covers the cost of replacement or repair of the product, if it is caused due to a manufacturing defect or poor workmanship. However, it may not cover anything other than failure from normal usage, or the abuse, and malicious destruction. So, to make the product enjoy the extended warranty service, the prerequisite for customers is to take good care of the product and use it in accordance with the instructions given by the manufacturer.
CRYLIGHT is gradually dominating the etalon market in China recently, and its sales volume booms in the overseas markets. bk7 window produced by CRYLIGHT is very popular in the market. Good temperature resistance capacity is one of its biggest points. Made of fireproof plates, it will not occur edge warping problem caused by high temperature. People could be saving a lot of electricity bills through this product. It can help decrease utility bills and household expenditures.
CRYLIGHT has always provided one-stop service for domestic and foreign customers. Inquire online!