TR Manufacturing China Co., Limited is a one-stop contract manufacturer of custom plastic injection molded parts, aluminum die castings and precision machined metal parts. From design support and prototyping to tooling, mass production, assembly and shipment, we take care of the entire process under one roof. Our strength is built on a strategic alliance with three specialized partner factories—a network we manage closely to ensure flexibility and capacity. A dedicated team of engineers, each with 10–15 years of hands-on experience, oversees every project to guarantee quality and reliability. Guided by the principle "Quality Is Life", we run a complete quality assurance system covering every step of production, so our customers receive reliable quality, competitive prices and on-time delivery — every order, every time.