Shanghai Welsun Chemical Production CO., Ltd.

http://indomonster.com/welsun

We are the professional producer of the " 4415-87-6 Cyclobutane-1, 2, 3, 4-tetracarboxylic dianhydride " at China.
This kind of products( 4415-87-6 Cyclobutane-1, 2, 3, 4-tetracarboxylic dianhydride) we produced has the high purity.
Now we are willing to look for the oversea cooperators.
If you have interests about us, pls contact with me to talk about the details on the products and the business.

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