Shanghai Aoshi Control Technology Co., Ltd. Founded in 2000 (formerly Shanghai Hengtong Optoelectronic Technology Co., Ltd. ), we specialize in R& D, design, production, and service of closed-loop fiber optic gyroscopes, inertial navigation systems, specialty optical fibers and fiber coils, optoelectronic devices, and optoelectronic sensing technologies. We are committed to becoming China' s leading inertial technology enterprise with comprehensive R& D, production, and service capabilities.