Dearlady /sir: Thanks for your kind attention! Established in 1989, our company,Fuzhou Feihua Optoelectronic Technology Co., Ltd. specializes in researching, developing and manufacturing security products, which mainly consist of CCTV lenses. We have a long history of manufacturing optical instruments and camera equipment. I assure that we can offer the products of good quality but with competitive price. For more information, please kindly visit our website: .  Thanks very much!!! If any queation, please do not hesitated to contact us! your reply is highly appreciated! Best regards! weaver