1,Seals Materials:NR,EDPM,SR,IIR silicon.etc 2,Quick supply 3,Stringent quality checks 4,Reasonable-paice d1. ... Hubei province,covering an area of 120,00 square meters,360 sets equipments, annual production capacity is 3,500 tons.We ... XingFang GrindingTools Co.,LTD." FANGFANG"brand) Polish roller of NF15.2