Assume full responsibility to satisfy all needs of our clients; achieve continual advancements by endorsing the expansion of our purchasers; turn into the final permanent cooperative partner of clientele and maximize the interests of clients for thermal camera shutter, Shutter iris, Night vision shutter modules, IR shutter unit,Stepper motor linear screw. Because we stay in this line about 10 years. We got best suppliers support on quality and price. And we had weed out suppliers with poor quality. Now many OEM factories cooperated with us too. The product will supply to all over the world, such as Europe, America, Australia,Swiss, Brunei,Irish, Florence.We integrate design, manufacture and export together with more than 100 skillful workers, strict quality controlling system and experienced technology.We keep long term business relationships with wholesaler and distributors form more than 50 countries, such as USA, UK, Canada, Europe and Africa etc.