Shenzhen Milestone Technology Co., Ltd. was established in 2000, engaged in researching and exploiting high quality air-sensitive technology. Our company has the first-grade equipment, scientific methods, project management system and excellent employees. Products can be divided into gas-leakage annunciators, cut-off valves and so on. They are widely used in industrial fields and chemical industry. Our company is always ready for supplying excellent products and professional service to you.