Beijing Zhongyi Yusheng Technology Co., Ltd. is a modern enterprise that integrates technology research and development, manufacturing, sales, and after-sales service. It is also one of the largest manufacturers of pre-treatment equipment in China. Its main products include fully automatic headspace samplers, fully automatic thermal desorption pipettes, fully automatic blow and capture devices, desorption tube activation devices, automatic low-temperature concentration devices, etc. Among them, fully automatic thermal desorption pipettes and fully automatic headspace samplers have obtained patents. Our company has formed a strong technical team and a well-equipped production line through years of hard work and continuous product innovation. We have also established sales and service offices in most parts of the country to better provide customers with high-quality products and comprehensive pre-sales and after-sales services. Since its establishment, the company has always been committed to "innovation and integrity" to meet the constantly changing and growing needs of its customers. The company insists on improving the application value of its products and is committed to promoting advanced technology. Through a stable, fast, and convenient sales network, it provides professional, convenient, efficient, and comprehensive technical support and product services to users in major universities, hospitals, scientific research, chemical, petroleum, coal mining, food, environmental protection, pharmaceutical and other units.