dear sir thanks your sincerely and goodwill to do business with our factory, our factory specificalize in all kinds ofO-RINGS, SEALS, O-RING KITS, WRIST BANDS, GASKETS, buckle, earring, bracelets, brooches for over many years, please advice my your order proposal and order qty so as to our factory shall quote to you, if you have sampels and drawing# need quote , also please sent your sampels and drawing# and picture to me so as to our factory shall arrange manufacture some sampels to accoridng to your sampels and drawing# and re-sent it to you; wait for your quickly reply! best regards mr MIKE