Hangzhou GreenCo Science & Technology Co., Ltd. is regarded as one of the leading manufacturers and exporters of PVP(polyvinylpyrrolidone) and other chemical raw materials from China. We are composed of two factories and one trade company. Most of our products are exported to over 50 countries and regions around the world,such as in Europe, America and Southeast Asia etc. We enjoy a high reputation among these customers. Our products are high quality and comp...