Shanghai Sunny Elevator Assembly Co., Ltd., founded in 1992, is a 31-year experienced professional manufacturer specializing in designing and producing opto-mechanical products. Our main products are elevator light curtain, photoelectric switches and elevator buttons. Our company has a complete set of equipment and instruments in terms of mechanism, sheet metal, plastics, moulding, electric appliance, together with SMT line, which are respectively used in key parts of production, assembling and quality detection. Such full range of equipments is rare in the field and greatly increases our production flexibility and R&D capabilities. Twenty years' experience in the elevator industry ensures us to provide our clients reliable products, leading-edge technology and perfect after-sales service.