... a Chinese manufacturer specialized in OEM ,Die casting,Plastic injection, CNC,Stamping and stamping mould. Our ... fabrications at home and abroad. Whether your assembly requires big, small or any size . Screw & NutCan be ... 1) material: can be steel, brass, stainless steel, plastic, Aluminium…2) surface treatment:kinds of plating (Zinc, ... according to customer's requirement screw with plastic head