Company Introduce

As a joint-stock enterprise integrating with research, produce, selling and service, Fuzhou Caston Optronics Co., Ltd. is specilized in producing NLO crystals. In July 2008, Fuzhou Caston Optronics Co., Ltd. (CASTON) formally to buy Fuzhou Kaston Optronics Manufacturing Ltd. (KASTON) which the original quality of crystals and after-sales service have been recognized by domestic and foreign laser manufacturers for over 15 years. 

CASTON will still uphold ISO9001 quality management system, retain all professional and technical personnel KASTON has had, as well as continue 15 years’ professional techniques on growth and fabrication of non-linear optical crystals (especially BBO and LBO).

CASTON has a series of advanced testing instruments, such as 6" Zygo GPI XP interferometer, Lamda900 UV/VIS/IR spectrophotometer, etc.

Top quality, the most competitive price, rapid delivery and customer-satisfaction service are our basic commitments: 

Top quality : With In-Process Control Systems, decades of experiences in crystal growth, product design and manufacture from our senior science team and advanced quality control systems, each product from CASTON is guaranteed to meet the strictest industrial standards.

The most competitive price : Mass production capability and innovative cost-effective manufacturing methods ensure us to offer the worldwide unbeatable prices to customers.

Rapid delivery : Within 1-2 weeks for standard products, or 24 hours for items from stock.

Customer-satisfaction service: Quick response, the best pre- and post- sales service, technical support...

Now CASTON`s main products including: BBO、LBO、KTP、KTA、KDP、DKDP、LiNbO3、ND:YAG、ND:YVO4、CaF2、MgF2、Sapphire and other optical products.