Yisitong Electronic Instruments Factory established in 2005, Yisitong Electronic Instruments Factory is a manufacturer and trader, specialized in the research, development and production of instruments. We are located in Guangzhou , with convenient transportation access. All of our products comply with high quality standards and are greatly appreciated in a variety of markets around the world. We have implemented a strict and complete quality control system, which ensures that each product can meet quality requirements of customers. Besides, all of our products have been strictly inspected before shipment. If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients in the near futureOur aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation and sincerely welcome you to join us.