Hunan ADTO Building Materials Group Co., Ltd ( the Architectural Stainless Steel Division) is a comprehensive supplier of stainless steel and nickel-based alloy materials for the construction and petrochemical industries.

We specialize in the R&D, manufacturing, and global distribution of stainless steel and nickel alloy products, including pipes, plates, profiles, and forgings, with an annual production capacity exceeding 200,000 tons.Our manufacturing factory holds a complete portfolio of authoritative industry, marine, petroleum and international market access certifications, which fully supports global marine, offshore oil & gas, petrochemical and cross-border export projects.We have obtained factory approval and type approval certificates from all mainstream global marine classification societies, enabling our stainless steel & nickle alloy valves, pipes, fittings and structural parts to be used on vessels, offshore platforms and marine engineering facilities worldwide:

1.DNV.GL (Norway) 2.ABS (American Bureau of Shipping) 3.PDA (Product Design Assessment) Certificate 4.MA (Manufacturer Approval) 5.BV (Bureau Veritas, France) 6.RINA (Registro Italiano Navale, Italy) 7.LR (Lloyd’s Register, UK) 8.CCS (China Classification Society) 9.KR (Korean Register) 10.NK (Nippon Kaiji Kyokai, Japan) 11.CU-TR Customs Union Certificate (Russia/EAEU) 12.LRQA (PED) 

Our products are exported to more than 120 countries and regions spanning six continents. Supported by local branch offices in the United States, France, the UAE, Egypt, Indonesia, Vietnam and the Philippines, we deliver consistent material supply and professional technical support to industrial and infrastructure projects across the globe.