... .Instrument industryVarious kinds adjuster sensitive components diaphragm,heating plate for apparatus, resistant to acupuncture(tear resistance silicone rubber);indicator ... absorber,all kinds silicone leading wire(be used for leading wire for capacitor,coil,transformer,mutual inductor),refrigerator's defrosting ... the oxygen supplying system; diaphragm; valve. Silicone Sealing Ring for lunch-box