Dongtai City Yuanyang Stainless Steel Manufacture Co., Ltd.

Dongtai City Yuanyang Stainless Steel Manufacture Co., Ltd. is a Chinese manufacturer of stainless steel and specialty alloy pipe fittings, forged flanges, and prefabricated piping components headquartered in Qindong Town, Dongtai City, Jiangsu Province. Established in 2001, the company operates from a 57,000 m² campus with over 283 production equipment sets and more than 57 testing equipment units, producing approximately 11,000 tons of product annually. Yuanyang specializes in flanges, butt-weld fittings (elbows, tees, reducers, caps), and prefabricated pipe spools manufactured from austenitic stainless steel, super duplex stainless steel, high-temperature alloys, nickel-based alloys, corrosion-resistant alloys, titanium, and zirconium. The company holds API Spec 6A and API Spec Q1 certifications as well as CNAS laboratory accreditation for its in-house testing center. Products serve the petrochemical, oil and gas, power generation, renewable energy, shipbuilding, pharmaceutical, and textile industries globally. Yuanyang maintains a 30,000 m³ smart warehouse with a storage capacity of one million items and approximately 2,000 tons of raw material safety stock. In November 2025 a Norwegian SFF delegation visited for duplex steel manufacturer qualification review.