供应POM100 Delrin聚甲醛 美国杜邦100
Delrin? 500AF DuPont Engineering POM+PTFE
Delrin? 100AF DuPont Engineering POM+PTFE
Delrin? 100TL NC010 DuPont Engineering POM+PTFE
Delrin? 500MP NC010 DuPont Engineering POM+PTFE
Delrin? 500TL NC010 DuPont Engineering POM+PTFE