Zhengzhou Sinter Electronic Technology Co., Ltd. Is specilized in high precision digital synthesis signal generator, programmable switching DC power supply, digital bridge and testing instrument for inductance and capacitance, voltage and current meter, electronic science and technology enterprises battery tester and other products. Sinceestablised the company had a good development, we expanding the scale of production, products sare widely used by the factory and major scientific research institutions etc and get a good feedback., Now the products are sold well over the world