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Business hours:

Monday-Friday


After business hours or during company functions when telephones not answered, you may use our Email address or Livechat in the lower right corner to leave a message.


Tel: 1-240-252-7368

      1-240-252-7376

Fax:1-240-252-7376



1.  If you are ready to place an order, please contact customer service of your region, then you will be informed of the Item Number, Size, Delivery date, and Price in detail.

2.  After you place an order, p/I would be sent to you by email for you to check and confirm.

3. The term of payment. We accept bank transfer at the moment. After you have confirmed the P/I, please pay the bill. On receipt of the payment, we would prepare the cargo immediately. Any changes of your order information, please inform our customer service for modification.

4.  The goods will be delivered within three to five days on receipt of payment. The time of special detection item may be longer. We will contact the customer in advance if having any changes of delivery date or shipment to ensure the experiment will be operated as schedule.

5.  You are free to choose the following express company (FeDex, UPS, DHL, TNT, EMS) in which you have an account.

6.   You will be informed of the track information, the Shipment Number will be provided to you by email once having delivered the goods, so you can also track the order through the website of the express company.

7.   On receipt of the goods, please check whether the reagent is complete. If the reagent is damaged, please remember to take pictures of the damaged product and contact us so that we can verify the information and solve the problem for you as soon as possible.

8.   If operator runs into any difficulties in process of experiment, please kindly contact our Technical Service Center or corresponding Customer Service Center so that we can provide you with quick and efficient after-sale service.