Plastic parts often look simple on a drawing. Compared with stainless steel, aluminum, or brass components, many plastic parts do not look very complicated. The material is softer, the shape may be simple, and the part may only have a few critical dimensions. But in real CNC machining, plastic is not always easy. At Mastro Machine Shop, we provide CNC machining services in Taiwan & China for OEM parts, including turning, milling, mill-turn, and 5-axis machining. We have machi

When we talk to customers who outsource CNC machining to China or Taiwan, the most common question is always the same: “There are so many suppliers… how do I choose the right one?” Here’s my honest take: factory size is not the key. Not how many machines they have. Not how many employees. Not how fancy their inspection room looks on a website. The real key is matching your part to the shop’s core strength. In machining, every shop has a different “sweet spot.” Before you send

At Mastro Machine Shop, we provide CNC machining services in Taiwan & China for OEM production parts, including turning, milling, mill-turn, and 5-axis machining. Beyond CNC machining, we also work with a network of manufacturing and material suppliers to support a wider range of production requirements. Over the past few years, we’ve been handling interesting orders involving large steel plates. Through this supply network, we can support: Materials: quality + cost control (