dear sir
as a leader manufacturer in china,our factory specificalize in all kinds of material o rings,rubber parts,plastics parts,metal parts,stamping parts,metal springs and so on;
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 NBR,HNBR,VITON ,
SBR, NBR, EPDM, CR,Silicone, FI, Nylon,