... , Lathe, Polish, Heat treatment, Cr. Coating , Texture, Mold assembly.12. After mold finished, we will process injection testing.13 ... mass production.16. After mass production, we will process product assembly and packing.17. Shipment. About us: SHEN ZHEN ... , plastic injection, silk screen print , pad print and assembly testing.Together with knowledge, technology, manufacturing capability and cost ...