Excel Scientech Co., Ltd , which has been founded in 1991, is the sole laser producer with ISO-9001certification. We aim at providing high quanlity service as well as buliding trusting business relationship with our clients that products being put on the market shall always meet customer satification. As the R&D has been carried out by ourselves , we have developed green laser & super bright LED functional products and a comprehensive range of laser level instruments from the smallest procket size to laser level kits in recent years. In addition, accessories such as tripods , staffs and enhanced laser glasses ? ect. Are also avaliable. Therefore ,we believe our designing & developing team must be in a position to offer helpful recommendations and supports for your OEM applications at all times. For further information or inquiry , please do not hesitate to contact us directly.