22 years in the transformer industry since DELTA Electronics, PROWELL is an EMS provider as well as a leading manufacturer specializing in producing Magnetic LED lighting drivers, power adapters, electric transformers, linear power transformers, toroidal transformers ring core inductors, Experienced in precise die casting mold, plastic injection molding parts and metal sheet stamping in South China , we can cooperate with clients’ engineer to turn design ideas into perfect products. our major marketing is in USA, CANADA and UK.