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material:
rubber cotton
material: rubber cotton
brand:
other
brand: other
core material:
rubber and plastic
core material: rubber and plastic
grade:
good (35-40db)
grade: good (35-40db)
shape:
surface concave-convex type
shape: surface concave-convex type
compressive strength:
high compressive strength
compressive strength: high compressive strength
bending strength:
high
bending strength: high
item no.:
rubber sponge wave sound insulation cotton
item no.: rubber sponge wave sound insulation cotton
origin:
hebei
origin: hebei
form:
bubble-like
form: bubble-like
specifications:
black wave cotton 500*500 * 30mm
specifications: black wave cotton 500*500 * 30mm
whether cross-border export is exclusively available:
yes
whether cross-border export is exclusively available: yes
have authorized private brands:
no
have authorized private brands: no
general taxpayer or not:
no
general taxpayer or not: no
Update time：20260502203132
