Absolute Accreditation USA offers specialty steel pipes for power generation and petro-chemical industries. We also offer large diameter steel pipes and heavy duty castings. We produce and supply seamless steel pipe products with full range in both sizes & steel grades for all industrial implementations, as well as casting products. We offer large diameter pipes with OD up to 1200 mm with machined or rolled process for power generation, petro-chemical and machinery industries. Absolute Accreditation Usa is also capable of producing steel pipes according to BS, DIN, ISO, JIS specifications, as well as to customized requirements. Our concentrated nitric acid resistant pipes are widely used in nitric acid production industries. U-tubing is used in heat transferring pipeline of heat-exchanger, superheater, feed water heater and radiator. It has wide applications in petrol, chemical, thermal power generation and nuclear power industry. We provide heavy casting products for wind power generation and aluminum castings for utility companies. Absolute Accreditation Usa is a fully equipped with five axis machining center, horizontal CNC machines and test equipments About us Directly invested by China&＃039;s major steel material producers, acting as sales branch and customer service center, AA USA provides specialty stainless steel pipes, large diameter steel pipes and heavy duty castings as well as the customer service to the power generation and petro-chemical industries. The mission of AA USA is to extend the sales, service and after-sales service directly to our customers. The goal of AA USA is to integrate the manufacturing process into our customers&＃039; supply chain, lowering their process cost, shortening their lead time.</p>