Changzhou Leili Pressure Controller Co., Ltd. Is located in Xinnan Village, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province. It was established on Aug. 1st, 1994. Our company covers an area of 15, 000 square meters. Our main products are automotive pressure sensor, automotive pressure switch and household pressure switch with nearly 500 models. LEILI Pressure Controller Co., Ltd. Is a high-tech enterprise dedicate to research, development, manufacture and service of pressure controller. After nearly 20 years of development, we have gained rich experience in product designing and manufacturing, quality controlling and after service. According to the survey of 2013, our pressure controller has a civilian market share of 15%, and automotive market share of 20%. We have already passed UL of the United States, VDE of Germany and CQC product certificate of China quality certification center, as well as ISO9001 quality management system certification and ISO/TS16949 quality management system certification, and develop products with APQP advanced product quality planning process to meet customer's requirements. We have introduced professional technician and management personal with rich practical experience and strong quality consciousness and innovation ability. We establish a wide range of technical information with industry association cooperation network which aims to ensure the quality of products and keep our technology and innovation always standing in the leading position in this field. The series pressure switches are widely used on the vehicle air conditioner systems, like car, truck, motorbike and etc. It has a good pressure control for the air conditioner systems.