On November 12, 2019, the senior leaders of our Henan Nayu New Material Co., Ltd. came to the first-line production site to make a spot check on a batch of the double layers pipe based sand control screen completed recently.After the spot check, the leaders said that the company's product production and processing staff work attitude is very correct, this batch of the double layers pipe based sand control screen do very carefully, later to continue to maintain, strive to in the future production and processing stainless steel well filter, oil sand control screen pipe, petroleum casing pipe and other series of products do better.