About WELONG

Established in 2001, Welong is a premier China Customs Class-A certified enterprise and a global supply chain leader dedicated to "Intelligent Manufacturing in China." With over 20 years of expertise and ISO 9001:2015 certifications, we specialize in delivering high-end, customized metal components across a vast industrial spectrum, including Petrochemical, Energy, Aviation & Medical, Shipbuilding, Automotive, Railroad Components, and General Machinery. Our core manufacturing encompasses various types of casting and advanced machining—utilizing precision manufacturing for superior performance in extreme environments, from the Middle East to the Pan-Russian region. Led by professional engineers, Welong ensures 100% compliance via strict inspection and global logistics. We prioritize customer value, delivering mission-critical solutions and punctual service to over 100 global partners.