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The price on the site is based on the transaction value of the last half year of the products. Generated by

chemical product price fluctuations, this price is for reference only, not as accurate quotation.

If you have the intention to buy, please let us know by Skype, mailbox, Tel inquiry and any other

methods, generally speaking, the real-time quotes is always lower than the website
Generally speaking, the acceptance date is one week after receiption or we consider it meet the

requirements. If there is any doubt about the quality of the product, please refer to sales service