STON ELECTRONICS CO., LTD was founded in Taipei Taiwan, and with over 15 years experience in manufacturing (OEM) and exporting various kinds of Promotional Products to worldwide, we possess very professional know-how especially in controlling the quality of all kinds of Switches Control equipment with also qualify CE certificate, UL and TUV approved in our products. Pursuit ISO-9001 management with qualify certificated. We also customize standard products to suit individual customer requirements. We do to promptly provide our customers the best service and quality products at the most competitive prices.We produce Switches control equipment for motion control, temperature control, timing control and other application, such as Temperature controller, Timer, Relay (Power Relay), S.S.R., Limit switch, counter and more. Since there are too many items of promotional products to introduce all to you, please do take a look on our website and do not hesitate to let us know of your comments or any inquiries for either your existing products or new products. The relevant quotation will be sent upon your request.