Our single use blood collection needles use excellent imported raw materials guarantee the needle tips extremely sharp and smooth. Special designed needle tip length and anhle are optimal for vein-puncturing, decreases the pain of patients, blood flow is obervable in Flashback window. Our needles include through-link needle with flashback window, single wing piping needle with luer adapter, muti-sample needle, butterfly wing needle with luer adapter. All our needles have passed CE and support OEM, please feel free to contact us if you have such need.