Aofeng Industrial Limited is majored in all kinds of steel pipe, pipe fitting and flange international trade and steel pipe manufacturing technology consulting, management consulting. We can supply various steel pipes and fittings according to API, ASTM, DIN, EN, ISO, JIS, TOST and other standards. All the products are widely used for transportation of petroleum, natural gas, water and coal gas, provision of heat power, petrochemical industry, steel structure work and so on. The products have gained excellent trust and evaluation from the customers for the accurate dimension, good pressure-resistance and timely delivery.