material: different grade copper carbon block for carbon brush, different grade silver carbon block for carbon brush, different industry carbon block for carbon brush, high grade antimony carbon, resin carbon, copper impregnated carbon for mechanical seal.
packing: according to designs
delivery time: 7~20 days
MOQ: no
pleas feel free to contact us, kxcarbon at yahoo dot com https://www.hil-pumpparts.com/ca...-block/carbon-block.html