Guangdong Chuanglong Protection Technology Co., Ltd. According to Baidu map, Guangdong Chuanglong Protection Technology Co., Ltd., located in Yuyu Street, Dongguan City, Guangdong Province, is an enterprise integrating production, sales and after-sales service. Dongguan is a prefecture-level city and megacity under the jurisdiction of Guangdong Province. Dongguan is located in the south of China, south-central Guangdong Province, on the east bank of the Pearl River Estuary, with Guangzhou in the northwest, Shenzhen in the south and Huizhou in the northeast.