... 316/316L, 300, 301, 202, 201, 409/410 The stainless steel of 304 and 316 are widely used in the petroleum, chemical industry ... , aviation, transportation, highway, biological medicine, and so on. And we can make many kinds of stainless steel pipes with different standards, such as ... pipe, the U pipe. Our factory has advanced equipment and technology. We have invented many new products for the Shenzhou ...