Ammonium Metatungstate 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 ammonium metatungstate from customers.
5) Other after-sales service and support.
Chinatungsten Online Customer Service and Support
Ammonium Metatungstate Payment and Document
AMT Pro-forma Invoice
AMT Packing List
AMT Bill of Lading
AMT Certificate of Analysis
AMT Certificate of Origin