High-quality sand and gravel resources, strict management measures and complete testing methods have made the leading product concrete poles among the best in all previous national inspections and appraisals, and won the title of high-quality products of Chaoyang City and the Ministry of Agriculture of Liaoning Province for many times, and successively won the title of famous brand products of Chaoyang City and Liaoning Province, and successively obtained the certificates of first-class and excellent products of the former Ministry of Electric Power Industry 1 10 kV voltage grade and 220 kV voltage grade. We have obtained material access and use permits from 12 units in Liaoning, Jilin, Heilongjiang, Inner Mongolia Autonomous Region and other power departments such as power companies and Northeast Electric Power Bureau. Drainage pipe production took the lead in obtaining production license in China. 1999 passed the ISO900 1 quality system certification. Over the past 30 years, the company has been operating in good faith, and its product market covers more than 654.38+0 million square kilometers in the three northeastern provinces, eastern Inner Mongolia and northern Hebei, which has been widely praised by users. It was awarded as "Customer Satisfaction Unit" in the previous consumer satisfaction selection activities in Chaoyang City, and was awarded the titles of "Integrity Unit" in Liaoning Province and Chaoyang City and "AAA Credit Unit" in Chaoyang City for many times, and was awarded as "Contract-abiding Unit" by Liaoning Provincial Administration for Industry and Commerce for 20 consecutive years.