S-TYPE LTD. CO. is established in 2011. We have more than ten years proceeding parts experience in grinder area. The works we can do are from ψ0.15 to 10mm and L50~100mm. We promise the quality of roundness can achieve below 1μ, size below 3μ。Moreover punch pin size can reach below 0.005mm，concentricity can achieve below 0.003mm。 Any question, please kindly contact us by e-mail or leave message on "chat room"。We will answer you soon. What's more, we also design a tungsten NC cutting machine. The two servo motor derived can bring you more convenient and profit. Welcome to contact with us!!