Qingdao Qumac Industrial Co., Ltd is a professional supplier of steel products. We make customized parts and assemblies based on your samples and specifications. We offer casting, forging, machining, and other complex production processes. This wealth of production knowledge allows us to meet all of our clients' needs under one roof, lowering costs and lead times.With 10 years experience on exporting to more than 50 customers of the world, we know quality control is the most difficulty that overseas buyers are facing when they souring China. Our professional engineering stuff perform process control plan in our factory to get the stable and reliable quality. And also, our QC stuff will inspect all the products before shipping.Qumac R&D engineer can make design according to your samples, drawings or specifications. Our partners specified on casting, forging and machining can fill with most of the requirements on steel products.Our goal is to provide the **est quality and perfect service*?to the customers. Do not hesitate to contact us to learn more about our professional service.