Shanghai, China.

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Langke Lab - Research Chemicals Vendor

Please check 3 points before request samples.

1. We could provide no less 5g and no more than 10g samples, the deposit collect before shipping.
2. The deposit can be deducted when you place official order (up to MOQ per item).
3. If you want only free samples, we are not the right vendors you are looking for.

Click here to check our sample policy.

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