Nanchang DuLong Industrial Co., Ltd is founded for years.It locates in Nanchang city Jiangxi Province, north to Shenzhen city and West to Shanghai. We specialize in manufacture and exporting with our own long term cooperating factory.Supported by professional engineers,experienced workers and strict quality control policies as well as reasonable price and considerate after-sale service, we have won good reputation home and abroad,trusted by customers from Asia,America,Australia, Africa and ...