Dear Sir,Zhengzhou Sinco can supply die castings in a wide range, it include, aluminum die casting( High pressure part, it can take more than 30 kgs pressure), zinc alloy die casting etc, the small part we had made is about 0.05 kgs, the bigger part we had made is about 5 kgs.Our feature is we can supply these products by client’s design and CAD drawing or even the sample. Our engineer team will check your drawing first, then communicate with you regarding the technical problems, finally give the offer according our material cost and situation.Sample is available. Welcome to connect.Regards,Ms. Ginger LeeZhengzhou Sinco Machine Co., Ltd