... we are professional in producing aluminum die casting, zinc die casting and iron casting. casting1) Mold Material: aluminum,iron,gray ... ISO 9001 system and 22 years export experience in this line.7) High Quality & Competitive Price & Good Service8) ... Whole process is done in house including: Tooling, Die casting, Sand casting, Gravity casting, CNC machining, CNC milling, Stamping, Plastic injection, ...