... pipes, petroleum transmission pipes, petrolchemical industry pipes, liquid delivery pipe, water pipelines.3. milk transmission, sugar factory, dairy, sanitation, bathroom ... so on.We have many kinds of stainless steel pipes & tubes, including 201, 202, 301, 304, 316L, 2205 and ... to the product standard, we produce the stainless steel pipes & tubes in strict accordance with ASTM A249, A269, A270, A312, ...