For regular transformer bobbin products, samples are free except you will bear the state cost. So a state account such as DHL or FEDEX is required. We eager for your understanding that we have plenty of samples to ship daily. If all the freight are borne by us, the price will be very high. In order to express our sincerity, as long as the sample is confirmed successfully, the freight of the sample is going to be offset when the order is set, which will be equal to free delivery and free shipping.
Guangzhou Tongyang Electronics Co., Ltd. is the main developer and supplier of em ferrite core. The uf core series is one of the main products of Tongyang Electronics. As any defects are completely eliminated in the inspection process, the product is always in the best quality state. It can withstand temperatures in excess of 1000 deg C without melting. Well-known for refined quality, ef bobbin can be customized. It can carry much higher power in a very compact space even at high frequency.
Customer satisfaction is our corporate philosophy that serves as a cornerstone for all our activities by defining our directions of pursuit and values.