How long is the warranty period of optical brighteners for plastics ?

A warranty provided by ChemFine International Co., Ltd. deals with product defects in materials and workmanship from the original date of purchase from our factory. Its coverage can last up to several years, although the length of the coverage varies from product to product. So for how long we will be held accountable for a specific product, please contact Customer Service. For those products that are intended to last a long time, we usually consider offering longer warranty periods, provided that the quality of these products should be improved and the failure rate is controlled during the specified time.

Founded in China, ChemFine International is a company focusing on the development and manufacture of water purification chemicals. We have been deeply engaged in the industry for many years. The optical brightener series is one of the main products of ChemFine International. This new type atmp called water purification chemicals is gradually widely used with its outstanding design. In contrast to with other products, this product is unsurpassed in its application prospects.

Our company has been promoting the healthy development of the industry and creating benefits for society. We will continue to contribute our efforts in creating economic values.