dear sirour factory specificalize in all kinds of material o rings,o ring kits,rubber parts,plastics parts,springs,metal stamping,fashion jewelry and so on;please sent your email to our factory email address:All kinds of specification and shapes, your requests are available Good quality, reasonable price,promote delivery Your sample, drawings or idea are welcome Fulfilling different kinds and quantities of orders to provide products from NR,SBR, NBR, EPDM, CR,Silicone, FI,Nylon,Plastic
