To honor customers. the Co. will not allow any off-gradeproduct delivered strictly.
为诚信客户，公司将严格做到不合格的产品绝不出厂。
2
Simulation results show that through implementation of optimal control, the transition time and off-spec product can be reduced over 60% in the polypropylene grade transition.
仿真结果表明，通过实施优化控制，能够使产品牌号切换过程的过渡时间和过渡料数量降低60％以上。
3
The paper describes the effective measures taken to reduce offgradeproduct with home scrap, rhomb and horizontal crack, and consequently improving the quality of the continuously casting product.