... . Certificate: ROHS, CE 3. Service: OEM&ODM lcd electronics digital stopwatch (TF807) 1. LCD stopwatch 2. Single Row Display3. ... China, we can research and develop whatever you needed.Production Line: ID, R&D, Mould, Injection, Metal, Bonding, Coating ... , Packing and Assembling department etc.Product Line: Led Scoreboard, led counter, led timer, Stopwatch, Chess Clock, ...