Hwalon Electronic Co. Ltd is a professional manufacturer and supplier of PTC & NTC thermistors and varistors. It has over 7 years of industrial experience in field. Hwalon owns the most advanced equipments, and has mature manufacturing lines. Our experienced engineers and technicians assure that we could customize to meet each clients need. Some of our engineers have nearly 20 years of experience. To accommodate international market, Hwalons elements have international approvals, CE, UL, RoHS. Hwalon is developing a mature foreign trade team to ensure efficient communication between clients and engineers, and to offer support and services accordingly. Clients inquiry is expected to be answered within 24 hours. Please do not hesitate to give us a try when you need support about thermistors. You may find more info. on www.cn-thermistor.com .