Chengdu HuiTong West-electronic Co., Ltd (HTW) is a leading manufacturer of Ultrasonic Sensor for car parking system in China. HTW's predecessor was one of the earliest enterprises who started to do research and produce piezoelectric ceramics for the war industry in the 1960s. It had made the excellent contribution for Communication of National Defense enterprises. Since 2000, more technicians in the war industry joined the company, and started to develop Ultrasonic Sensor using the core technology (Piezoelectricity technology). In order to be more professional in developing and producing Ultrasonic Senor, the owner built a new company (HTW) in 2003. With over 40 years of the experience of the core technology, HTW has earned its reputation as a trusted supplier of excellent performance and high quality products that meet the customer's need. . We have own ability of in-house designing and firing piezoelectric ceramics, and we also can provide ...[More]y painting. Due to this, our sensors are highly favored by customers both in home and abroad. Now, we have the ability to produce more than 500,000pcs of high quality ultrasonic sensors each month. HTW sticks to the road of development with specialization, standardization and high-quality. The company now covers an area of more than 4500 square meters. With about 200 in-service personnel, including senior technical officers accounting for 6%, we have strong sense of responsibility and professional staffs. Certificates we have attained: ISO9001, TS16949 and RoHS. Our principle is to provide customers with highest quality products and best services. More information, please visit http://www.htw-sensor.com . We welcome your inquiries.