We keep improving and perfecting our products and service. At the same time, we work actively to do research and development for Custom Shutter, Optical iris diaphragm, Camera shutter unit, Optical iris diaphragm,640 shutter modules. Seeing believes! We sincerely welcome the new clients abroad to build organization associations and also hope to consolidate the associations while using the long-established prospects. The product will supply to all over the world, such as Europe, America, Australia,Argentina, Australia,Sao Paulo, Switzerland.The quality of our merchandise is equal to OEM's quality, because our core parts are the same with OEM supplier. The above items have passed professional certification, and we not only can produce OEM-standard items but we also accept Customized Merchandise order.