QZ company is an enterprise being mainly engaged in the Fettling and Trimming Equipments products.
QZ公司是一家生产清理设备为主的企业。
2
While the shakeout machine finishes the shaking out procedure, barrel type shakeout machine also complete the fettling process.
落砂机完成落砂过程，滚筒式落砂机同时对铸件达到清理目的。
3
It is an effective way of eliminating the occurrence of silicosis in fettling workers by substituting silica with limestone as molding material in steel casting factory.