Dear Sir/Madam , Good day to you , This is Kaylee from Ningbo Tianze Machinery Technology Co.,Ltd , an Integration of Industry and Ttrade Company , over 26 years experience on producing Injection/Extrusion Screw and Barrel . Glad to know you are interested in our main products , in order to provide a better service , it will be great if you can kindly contact with me . My skype and email is sales(at)tizatech.com , my whatsapp is +86 159 6811 2571 . Yours ,