Free samples provided upon request.
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dedicated technical support for any inquiries or issues.
We provide detailed product guidance and promptly offer satisfied solutions for any product-related concerns.
Tongke carbon will offer consulting services regarding new technologies, processes, and other relevant information.

We offer quality testing of all received and dispatched carbon products. Our labs are also equipped for the testing of customer samples for matching currently used carbons or to help us recommend better-performing products.
Our standard test procedures assure that products meet required guidelines for product quality control.

We offer customized products tailored to specific customer requirements.

We provide shipping guidance for our customers.