Hangzhou Rainbow Import & Export Co.,Ltd

Our History
1992 Zhejiang Sunflower New Material Co.,Ltd. which was predecessor of STD, engaged in PVP, was set up and Mr. Wu Jiaxiang,   the chief expert of the state’s R&D project for PVP in China, was appointed as the general manager.
2002 Changed into a private company, Hangzhou Sunflower Technology Development Co., LTd.(STD) was set up and continuing the   developing and producing PVP series both in technical grade and cosmetic grade.
2004 Zhejiang MY Sunflower Pharmaceutical Co.,Ltd. which is JV of STD was established for production of PVP ... [Details]