From Avalara LandedCost, by the LandedCost Research Team, updated June 1, 2017.
This page provides an overview of the basic import duty rates applied to goods that fall under the classification code 8109900010 in China. This product category is defined to include:
"Zirconium tubes (weight ratio of hafnium and zirconium is less than 1: 500 tubes or assemblies of zirconium metal and alloys)"
China is involved in a total of 1 trade agreement, and is associated with 3 country groups.