... Third Party testing are accepted In order to ensure the quality of the products, we imported many advanced equipments from Germany, ... , 304, 304L, 321, 316, 316L, 317, 310s and so on. The specification of stainless steel seamless pipe is (6-580)x(1 ... (3000-17000)mm. We can also supply the specification and material under the negotiation with our clients. The products widely used in petroleum, chemical ...