Main Products
Hangzhou Rainbow Import & Export Co.,Ltd
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.


Our Factory
The company has the GMP production lines of 600 tons annually of Povidone at low molecular weight ( Povidone K12, K15, K17, K25 and K30), 800 tons annually of Povidone at high molecular weight ( Povidone K60, K90, K120), 300 tons annually of Povidone Iodinated with high stability and 100tons annually of Chondroitine Sulfated Sodium.
Adhering to the people-oriented, guests first principle of integrity service, the method of doing things carefully.
Adhering to the people-oriented, guests first principle of integrity service
The method of doing things carefully.
Application Scenario
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