和尚吮她的花蒂和奶水樱花直播,japanese日本熟妇伦,99精品国产自在现线10页,国产精品无码无片在线观看

一、硬質(zhì)合金拉伸模芯坯Carbide drawing die nibs for wires tubes

?

正信公司可以提供各種型號(hào)硬質(zhì)合金拉伸模毛坯及成品模芯，產(chǎn)品可以滿足高速拉制鋼絲、銅絲、鎢絲、鉬絲、鉭絲等制品，提供的拉伸模芯尺寸精確、品質(zhì)穩(wěn)定，對(duì)拉制金屬粘附性小，導(dǎo)熱系數(shù)高。

?

Our company can provide a variety of carbide drawing die blank as well as finished punch. For high speed ?drawn steel wires, copper wires, tungsten wire, molybdenum wire, tantalum wire etc. Tensile modulus to provide precise core size, consistent quality, drawn metal adhesion small, high thermal conductivity.

?

? ?推薦牌號(hào)Recommended grades：ZK01、ZK20、ZK30F。