Shanghai Longji Metal Group Co., Ltd. is an enterprise that integrates smelting, development, and production of special alloys such as high-temperature alloys, corrosion-resistant alloys, precision alloys, high-quality stainless steel, high-speed tool steel, and composite steel. The products include pipes, rods, plates, wires, strips, flanges, forgings, and fittings. The product is applied in various fields such as petrochemicals, aerospace, shipbuilding, energy, military, electronics, environmental protection, machinery, and instrumentation. The materials produced include:

Precipitation hardened stainless steel: 17-4PH (630), 17-7PH (631), 15-5PH

Duplex stainless steel 2205 (F51/F60), F53 (2507), F55 (S32760), 329 (1.4460)

Corrosion resistant alloys: Alloy 20 (N08020), 904L (1.4539), 254SMO (F44), 654SMo

Urea grade stainless steel: 316L mod, 725LN (S31050)

Heat resistant steel: 4Cr14Ni14W2Mo, SUH616

Austenitic stainless steel: 317L, 316Ti, 316LN, 318 (3Cr17ni7Mo2N), 310S, 347, 347H

Special stainless steel: F6NM (04Cr14Ni5Mo), 0Cr16Ni5Mo (1.4418), 431, 9Cr18Mo (V), C4 steel XM-19（ Nitronic 50）、S21800(Nitronic 60)

Inconel alloys: Inconel600, 601, 625, 690, 718

Inconloy alloy: Incoloy800, 800H, 800HT, 825, 925, 926 (1.4529), AL-6XN (N08367)

高温合金： SUH660（ GH2132)、GH4180、GH3030 、GH4169、GH3128、GH3039 等

Monel alloy: Monel400, Monel K-500

哈氏合金： Hastelloy C、C-276 、 C-22、B、B-2、B-3 等等。