HAOSDA is a professional manufacturer specialized in developing and producing switching power supply. Our product lines include switching adapter, DC/DC converters, DC/AC inverters, charger, interphone (FRS, GMRS), walkie talkie, and LED lamp. Our company focused on the research of switching adapters with high power which is from 5W to 2000W. In the scope of high cordless frequency, we design the module including the rate of 46/49MHz, 27MHz, 465MHz, 900MHz and so on.

Since its establishment, the company has set up a strict quality control system in the complete process from sourcing thick materials, product production, and inspection to marketing. Implementing these actions strictly in compliance with ISO9002 international quality system is very depending on the strict quality control system. Our inspection team tests all products before consignment in order to prevent defective products being delivered to customers. They insure that all products highly meet standards.

Our R&D center works closely with a Taiwanese company in the development of new models, product reliability and life. We strive to improve the standard of quality for our products. "Total Quality Assurance and Customer Satisfaction" are the central goals of our company. We believe that our industry is one where reliability in long-term use, functionality and cost are all of great importance, but that it is reliability that differentiates the truly superior products. So, every product in the HAOSDA range is the result of rigid procedures.