Best quality and durable stationery from renowned Manufacturer of Door Sensor, serving the market since 2004. DVL SCIENCT TECHNOLOGY (H.K) CO., LTD operates under Agency, dealing in pc station, alarm system, easy capture of all kinds, ensuring top quality and make. Our product line is specifically designed for school and workplaces, being supplied to not only domestic market but across borders as well constituting Australia,Canada,Germany,India,United Kingdom export market share. Our corporate venture was introduced in shenzhen, Guangdong, China, with initial fortune worth US$10 Million - US$50 Million. We understand the value of trust that our customers place in us and being a reputable Retailer of Door Sensor and we make sure to look after production and shipping processes with strict quality maintenance. DVL SCIENCT TECHNOLOGY (H.K) CO., LTD is a Private Limited company, holding 16 Years of export experience helping us excel in the market with vast awareness and knowledge of a best product line. As of now, we have reached annual export value of US$5 Million - US$10 Million catering More than 6 Million US Dollar of annual revenue.