Specification: flat head cold-flow model, countersunk head cold-flow model, primary drawing mould, pole-shorten model, etc.
Specification: flat head cold-flow model, countersunk head cold-flow model, primary drawing mould, pole-shorten model, etc.
规格：平头冷墩模、沉头冷墩模、一序冲顶模、缩杆模等。