载体金属 meaning in Chinese

carrier metal

For the demand of the market , the company has adjusted the structure of products since 2005 and has formed four series . they are metallic carrier , metallic carrier catalyst , ceramic carrier catalyst , and compensation device single valve , 2 in 1 valve , etc
为应对市场需求，公司从2005年调整产品结构，现已形成四大系列，即：金属载体金属载体催化剂陶瓷载体催化剂补气装置单向阀二合一阀等。