SHENZHEN YEHAI SCI.& *****, LTD. is one of the major test instrument manufacturers in China specialized in professional test and measurement instruments . As a high-tech equipped modern factory, we have advanced equipments in manufacturing and calibration. The quality assurance system and our well experienced R&D team make us one of the best quality factory in Asia. Our product line covers different industries such as electronic tools, electrical power, food and chemical, atmosphere monitoring, education and consumer electronics, etc. With our strong tech support and marketing service, we are the main supplier of test instrument for the major distributors in over 100 countries. As a comprehensive company, SHENZHEN YEHAI SCI.& *****, LTD will do more to contribute to China&＃039;s compatibility in the world market and will take the lead of the test instrument industry in China.</p>