Hangzhou GreenCo Science & Technology Co., Ltd. is regarded as one of the leading manufacturers. and Exporters of PVP from China. We are composed of two factories and one trade company. Most o...

Wensan, Hangzhou, Zhejiang, China

Hangzhou Sunflower Technology Development Co., Ltd. was established with the leadership of Professor level senior engineer Wu Jiaxiang, who is also a famous scientist and the creator of PVP in China. ...