Qingdao Yazheng Electromechanical Manufacturing Co., Ltd. Was established in 2003, which was restructured from the former Qingdao Second Instrument and Instrument Factory, mainly from the research and development, production and sales of food level and liquid level instruments. Since the establishment of the company, adhering to the "integrity, rigorous, efficient, innovative" business philosophy, adhere to standardized operation, high standards, strict requirements, and in the development of continuous innovation, always maintain the high performance and technical content of the company's products. The "Qingya" brand anti-spinning level meter, radio frequency capacitive level meter, tuning fork level meter, radar level meter, heavy weight level meter, ultrasonic level meter and other products developed and produced by the company have been widely used in casting, plastics, cement, environmental protection, feed, chemical industry, petroleum and other industries, and exported to the Middle East, North America, North Africa and other foreign regions, and with the leading technology, Excellent quality, won the praise of customers at home and abroad.