If you need samples, we can provide 1 kg for free and waive the shipping costs.

Sodium Sulfide Red(Gemme Na-R)

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We provide samples free of charge with waived shipping costs (up to 1 kg).

Sample Ordering Instructions

Please carefully read the following terms before placing your sample order, ensuring smooth receipt of our shipped samples：

We offer 1 kg of free samples (limited to the same product type and shipping address), with shipping costs waived.
For samples exceeding the free allowance, you only need to pay a nominal service fee, and we will ship the samples to you.
"Please register as a Gemme member and provide accurate information including your name, phone number, shipping address, and other necessary details to ensure prompt delivery of your samples."
Gemme Refinement reserves the right of final interpretation. Any adjustments will be announced on the website and no separate notice will be given.