產品概述

注：若用戶需用閥板襯橡膠等特殊要求訂貨時請注明。
Notice:If the customer has any special requirements such as disc whit rubber lining etc.
Please specify while ordering.

注：若用戶需用閥板襯橡膠等特殊要求訂貨時請注明。
Notice:If the customer has any special requirements such as disc with rubber lining etc.
Please secify while ordering