Oxide Steel Torsion Spring 3 3/4"

TORSION SPRINGS MADE OF 82B/ 60Si2MnA

BLACK STEEL—HEAT TREATMENT INCLUDED

Founded in 2014, Shanghai NAYUN Door Industrial Co., Ltd. is located in Shanghai, a leading city in the Yangtze River economic belt. In addition to obvious geographical advantages, Shanghai, where the Company is located, is surrounded high-level talents. With an R&D and innovation elite team composed of high-quality talents, the Company gradually invests scientific research funds for technological development every year, always injecting new power for R&D and innovation into the Company.

The Company implements the enterprise strategy of invigorating the Company with science and technology and strengthening it with talents. Based on the domestic and international markets, the Company enhances its cohesion, competitiveness and development with “reliability, high-end, intelligence, complete set and service” as the guiding principle, thus creating an international first-class centennial enterprise dream and promoting the safe, efficient, green and intelligent development of the industry.

The Company provides R&D, design, production, sales and services of various industrial doors and logistics supporting equipment, with business covering various commercial, civil, industrial plants, logistics, warehousing, precision machinery and other places, which can meet the individual needs of different customers. After years of engineering practice, the Company’s rich industry experience has been widely recognized by customers.