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