As an outside investment-funded enterprise invited by Huangshan Municipal Government, Qiyuan Plastic Pipes & Valves Co., Ltd. is the first manufacturer entering Huangshan EDZ. Huangshan City, (hometown of the ancient Hui Merchants in the Ming and Qing dynasties), which lies in the Yangtze River Delta Economic Circle, with two provinces of Zhejiang and Jiangsu, and Shanghai City on its east, and with three provinces of Jiangxi, Hubei and Hunan on its west, enjoys its exceptional regional ...