Our company since its inception, always regards product quality as enterprise life, continuously improve production technology, improve product quality and continuously strengthen enterprise total quality management, in strict accordance with the national standard ISO 9001:2000 for Ac Volt Meter, 0-300v 0-400pf Ac Power Source , Ac With Standing Voltage Test Generator , High-Performance Safety Tester ,Medical Safety Earth Grounding Resistance Tester . As we are moving forward, we keep an eye on our ever-expanding product range and make improvement to our services. The product will supply to all over the world, such as Europe, America, Australia,Latvia , Mozambique ,Jordan , Tunisia .The quality of our merchandise is equal to OEM's quality, because our core parts are the same with OEM supplier. The above items have passed professional certification, and we not only can produce OEM-standard items but we also accept Customized Merchandise order.