Yellow tungsten oxide After-Sales Service and Support
Chinatungsten Online After-Sales Service and Support includes but not limits to:
1) Provide export and import documents, custom clearance documents and other needed by customers.
2) Statistics and documents during the testing process.
3) Provide professional answers and solutions which customers may encounter in the course of using.
4) Recycle the residues and waste of yellow tungsten oxide from customers.
5) Other after-sales service and support.
Chinatungsten Online Customer Service and Support
Yellow tungsten oxide Payment and Document
YTO Pro-forma Invoice
YTO Packing List
YTO Bill of Lading
YTO Certificate of Analysis
YTO Certificate of Origin