Ошибка формата электронной почты
emailCannotEmpty
emailDoesExist
pwdLetterLimtTip
inconsistentPwd
pwdLetterLimtTip
inconsistentPwd
A spinneret, an air plate, a heating element, and a bottom plate make up the melt-blown die assembly's die system. The die head has a direct impact on the uniformity of melt-blown products, however the die head's manufacturing costs are high and its processing precision is quite high.