Beijing Sunny Instruments Co., Ltd. is a leading manufacturer in China developing physiological & pharmacological research products. The main products include: SLY series animal behavior monitoring system SLY-WMS Morris Water Maze system  SLY-ETS Easy-track  Video Tracking & Analyzing System SLY-REC Portable Behavior & Event Recorder  SLY-SRC Multi-function  Stimulating&Recording Controller SLY-RBM rodent brain matrix SLY-MBM monkey brain matrix Various rodent maze including Shuttle Box, Y maze, elevated Plus Maze, Open Field cage ,etc YLS series physiological & pharmacological research products Running Wheel Metr Rota Rod Activity Monitor Volume Meter Hot Plate Meter Tail Flick Meter Paw Pressure Meter Tail Suspension Grip Strength Meter Step- Down Meter