6903200010 Chinese tariffs HS code Precision cast refractory ceramic cores and shells specifically designed for manufacturing turbine configuration components such as gas turbine engines/blades, guides, casings, etc., containing over 50% by weight of alumina or a mixture of alumina and silica
Precision cast refractory ceramic cores and shells specifically designed for manufacturing turbine configuration components such as gas turbine engines/blades, guides, casings, etc., containing over 50% by weight of alumina or a mixture of alumina and silica