Shenzhen Professional Security Technology Company located in Shenzhen China. It&＃039;s a large-scale professional manufacturer integrated with R&D, manufacturing, developing, marketing and after-sales service for over 1000 kinds of security products such as home alarm system, car alarm system, GPS trackers, CCTV surveillance system and video door phone etc. All the products manufactured and sold by PST are approved and certificated by FCC, CCC, CE, UL and RoHS compliance etc. Because of advanced development equipments and inspection equipments as well as fruitful technical support, effective production line, good workmanship and quality control system and the Joint effort from all the staffs and workers, PST has being one of the most professional and Influential security products&＃039; leading manufacturers in domestic and abroad. With more than ten years experience in this line, 90% products of us sold to over 100 countries; So far we already successfully developed more than 40 OEM services to PST customers. We are sure we will be your most credited supplier of security products in China. Our products are widely applicable for houses, enterprises, banks, schools, Residential district, supermarkets, hospitals, libraries, parking lots, hotels, Recreation area and cars etc different areas. Warm welcome your join to us. We are here just for you!