Welcome to Welong, a professional supplier of bespoke railroad components, washing machines, industrial rolls, petrochemical equipment, and general machinery. We are based in China and have been in operation since 2001. With our ISO 9001:2015 certification and API-7-1 quality system, we are dedicated to providing high-quality, customized metal parts for various industries.

Our main capabilities include forging, sand casting, investment casting, centrifugal casting, and machining, using materials such as iron, steel, stainless steel, aluminum, copper, zinc, and alloys. At Welong, we have experienced staff and engineers who can help you improve and modernize your production processes, reduce costs, and ensure product quality. We offer competitive pricing, meet product specifications and standards, provide effective packaging, and deliver anywhere in the world on time.

With over 20 years of experience, our products have been shipped to more than 100 customers worldwide. We are committed to being a leader in the international supply chain and driving China's intelligent manufacturing to lead the world. Contact us today for customized metal parts and excellent customer service