1. DOWAY develops various kinds of products for the coating industry such as ordinary industry grade, high weathering resistance grade, powder coatings special grade and anti-static grade etc.
2. lean ore more high-grade ore less ore grade to 45 percent less than high-grade ore reserves of ;
3. We need Nolyester and Nylon poy multifilament yarn(only substandard -bc grade-off grade-No a grade) for our ropes production.
4. In the utility theory of labor supply of the neoclassic economic regime, for utility maximization workers have full freedom to choose their working hours.
5. The high temperature erosion of utility boiler tubes (water wall, superheater, reheater and economizer tubes)by fly ash is recognized as being one main cause of utility boiler tube failures.