Blog

Discover how precision mold fitting ensures flawless alignment, smooth motion, and long service life in injection mold manufacturing. Guangdian Technology specializes in high-accuracy fitting for automotive lighting, two-shot, and complex multi-cavity molds. Our skilled engineers combine craftsmanship with advanced CMM and optical alignment tools to achieve ±0.01 mm precision, delivering molds that meet global standards for accuracy, durability, and performance. Read More

Discover how ejector pin marks affect the quality of molded parts in injection molding. Learn effective mold design strategies, process optimizations, and practical solutions to eliminate these defects. This guide from Guangdian Technology provides industry-leading insights for manufacturers and overseas buyers seeking to improve part quality and prevent ejector pin marks. Read More

Discover how to design effective draft angles for injection molded parts. This complete guide explains what draft angles are, why they’re essential in mold design, and how to calculate them for different materials and surface textures. Learn recommended draft standards for automotive components — including up to 7° for coarse leather-grain interiors — and explore Guangdian Technology’s expertise in precision two-shot molds and automotive lighting molds. Improve part quality, reduce friction during ejection, and extend your mold’s lifespan with expert design insights from Guangdian Technology. Read More