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GB 3531 09MnNiDR material is Manganese-Nickel alloy steel. The low temperature impacting test shall be done for 09MnNiDR centigrade, the impacting energy value should above 34 J. These steel coil S355J0W complete specification plates are thus tested twice by BBN steel. The tests are conducted to ensure the correct working of the object to know whether there is any change in the properties or not.
In 2015, we offered 230 tons 309S and 310S stainless steel steel coil S355J0W complete specification plate to Vietnam fabrication company. The products are used in fabricating machine for this company. Then the customer sell the machine to south America and European market. This Vietnam company purchase more than 100 ton stainless steel from us every month.
First of all, we should establish a correct concept of after-sales service. Service concept is an important part of corporate culture and a long-term enterprise value concept. Our company's after-sales service embodies the concept of "customer first, sincere service for customers". As long as we are in the "sincere service for users" under the guidance of the idea, I believe we will get rich returns.
Our products have perfect after-sales system to protect the interests of customers. At the same time, we can according to steel coil S355J0W complete specification customer's requirements, processing requirements, cutting technical requirements, etc., to develop detailed solutions for customers, so as to make customers 100% satisfied. If you have any requirements and needs, please contact us in time.