Offering you the 2016 china lost wax casting alloy steel mechanical parts in steel investment casting parts, Ntcmachine Limited has been specialized in casting products for over 10 years and we're now known as one of the leading manufacturers and suppliers in China. Please be free to buy the quality products from our factory, and enjoy our OEM and ODM service. http://www.ntccasting.com/casti...casting-alloy-steel.html