Wenzhou Lihao Metal and Material Limited Company, established in 2009, is a manufacturer and trading company based in Wenzhou, China, specializing in the design, production, and sale of metallic products. With 11 to 50 employees, the company focuses on stainless steel products, including seamless stainless steel tubes, seamed steel pipes, ship steel pipes, steam tubes, boiler tubes, and pipeline fittings. They offer a wide range of material qualities such as 201, 301, 304, 304L, 321, F321, 316, 316L, 310S, austenite, martensite, and double-phase steel, with products available in outside diameters from 6mm-530mm and wall thicknesses from 1.0mm-40mm. Their product portfolio also includes various valves (Gate, Ball, Globe, Check, Butterfly) with diverse connection types and operation methods, as well as flanges (welding, welding neck, socket welding neck, slip-on, lap joint, blind, rotary, and overlap flanges) and fasteners. The company's products are widely utilized across industries such as petroleum, aviation, smelting, food, water conservation, electric power, chemical industry, medicine machinery, and building. Wenzhou Lihao Metal and Material Limited Company ensures product quality by adhering to international standards including GMP requirements, GB, ASTM, JIS, KS, DIN, BS, and CAS.
Wenzhou Jiangnan Steel Pipe Manufacturing Co., Ltd. is a leading manufacturer and trading company based in Wenzhou, China, specializing in stainless steel pipe products. Established in 1989, the company operates a 38,000 square meter factory and employs between 301 and 500 people, including a dedicated R&D team and skilled workers. They offer OEM and ODM services, producing a wide range of seamless stainless steel pipes, tubes, and fittings, including pressure purposes seamless steel tubes, heat exchanger tubes, U-bent seamless stainless steel tubes, and duplex pipes. Their product portfolio encompasses various grades such as 304, 304L, 321, 316, 316L, 310S, 347H, and 2205 (S31803), complying with international standards like ASTM/ASME, DIN, and JIS. With an annual output of up to 10,000 tons of austenite stainless steel pipes and an annual output value reaching RMB 200 million, the company is equipped with advanced production and testing equipment, including electric and AOD refine stoves, perforation machines, and cold-drawn machine production lines. Wenzhou Jiangnan Steel Pipe Manufacturing Co., Ltd. holds certifications such as ISO 9001, ASME, PED, and AD, ensuring high-quality products that are acid-proof, alkali-resistant, and corrosion-resistant. Their products are widely utilized across diverse industries including petroleum, chemical, medical equipment, aerospace, and power. The company actively engages in international trade, with export sales accounting for 70-80% of its total sales volume.