Shijiazhuang, Hebei, China. info@langkelab.com

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Samples Policy

Langke Lab - Research Chemicals Vendor

For most our products, we could provide no more than 10g samples free of charge, but deposit collect. The deposit depends on What & How many samples you like, and it could be deducted when you place an official order (reach MOQ) within 30 days after receiving the samples.

For some special products, the sample quantity we could provided is very small, please contact us for their details.

The MOQs are different for each products, it could be found on each product page or enquiry us.

The Important Points:

  1. Free samples are available, but deposit must collect in advance.
  2. The deposit could be deducted when you place official order (reach MOQ).
  3. The validity of deposit is 30 days.
  4. The deposit can’t be returned back if no official order.
  5. If you only want free samples, the cost will be very expensive.

For long-term customers, we will send new samples for testing free of charge from time to time.