Immediately after receipt, check your product near  the cargo officer that there is no damage in the product. If found in a determination at this stage, make sure  the cargo officer prepare "Damage Assessment Record" and  return the product with the same shipment back. If you do not declare any  official damage report  about the product , the product will be  considered receieved without any problem in good condition.

Designed at the NERIA ceramics workshop, the "vacuum sludge" is produced entirely by the conventional method, which is double