Ningbo Senda Refrigeration Technology Co., Ltd. was established in 2014. It is a professional enterprise engaged in the research and development, production, and sales of refrigeration equipment in Ningbo. It is the first manufacturer in Ningbo to develop and produce refrigerant filling machines. It has passed the IS09001 quality management system certification and has won the honor of national high-tech enterprise and technology-based small and medium-sized enterprise. After more than 10 years of construction and development, the company’s technical team consists of several experienced experts who have developed a new generation of automatic filling machines. These machines have high precision, complete functions, and are safe and reliable. The drafting and participating units of relevant national and industry standards such as the "Technical Specification for Low GWP Refrigerant Charging" and refrigeration products have received continuous praise in the industry. The injection series products have passed the national explosion-proof electrical product quality supervision and inspection center’s explosion-proof certification, CE certification and other national and international authoritative certification requirements, and have won multiple patents. The company’s technical team participated in the research and development of China’s first generation R600a and R290 hydrocarbon explosion-proof automatic refueling machines, and continued to cooperate with military research institutes, university laboratories, and other institutions, making positive contributions to military enterprise research and university experimental research. Our company’s products are spread all over the world, and we continue to cooperate with leading companies in the industry such as major listed companies and group enterprises in China. More exported to Southeast Asia, the Middle East, Europe, the Americas, Africa and other places.