Founded in 2001, U-Promise Group co.,Ltd , Her Subsidiary is Wum Transformer factoryWum Transformer can make all kinds of electronic transformers , inductors ,filters ,coils and so onOur well-equipped facilities and excellent quality control throughout all stages of production enable us to guarantee total customer satisfaction. All of our products comply with the international quality standards are greatly appreciated As a professional manufacture of electronic transformer products , we have following advantagesExcellent quality : equipped with computerized production equipment .Competitive price: As a professional factory, We have our own advanced cost control methodPrompt delivery : With strong produce ability , we can deliver goods on time as we promised.Strong design ability : We can provide you Both OEM and ODM. Our principle ; To do business with integrity , To achieve the best results .Our Pursuit ; To establish long-term cooperations with customers and To make mutual benefit.. Reach us by : Ciaoyu at outlook.com skype : ciaoyu88