��uiYang Electronic Switch Factory Engaged in the development of elec-tronic energy-conservation and auto-matically controlled products竊�ave produced and sold for many years竊�uiYang people present with respect " people first竊�egard quality as the key link "for the aim竊�all on and offer the quality product for society sincerely. Welcome old and new friend condescend to inquire and patronize sincerely.