... Specification1 Screw and barrel Φ 90, 38CrMoAl hardness treatment with Nitride2 L/D 32: 13 T-die die steel forgings, inner heated clothes ... Africa, Dubai, Russia, Brazil, Mexico, Vietnam and so on. FAQQ l:Where is your factory located? And how can we go ... : HONGHUA MACHINE is the factory. JIANGYIN YUZHE INTERNATIONAL TRADING CO.,LTD is the import and export office. These two office is ...