There are multiple requirements for quality in the production process of fiberglass profiles, and the first priority is to have good molds. Good fiberglass profile molds must be able to meet the accuracy of the product's own dimensions; Satisfy the structural mechanical and mechanical properties of fiberglass profiles based on product performance; The primary requirements for appearance are smoothness, flatness, and average thickness. To meet the requirements of fiberglass profiles, we need to consider the structure of the raw material manufacturer's products, the technical requirements of the planning personnel, and the quality of the mold manufacturing technicians as a whole. Only high-quality molds can produce high-quality fiberglass profiles.