Our company can produce all kinds of ordinary square nuts, square nuts high strength.
Material: Q235, 45 #, 40Cr, 35CrMoA, Q345D etc..
Surface treatment using: plating white zinc, blue zinc, colorful zinc, black, qualities of the five surface treatment optional;
Product Grade: 4.8, 8.8, 10.9, 12.9 optional.
Widely used in construction, machinery, railways, crane, steel, power plants, ports, Metallurgical and many other fields. More solid commitment to research and development and production and processing of industrial lifting, rail transportation, mining and transportation industries, and has a strong research and development and reliable quality assurance.
Our aim is to "integrity first, quality-oriented, emphasizing the quality and integrity is the basis of the Founding understand the needs of users, service growth, and common development" is our pursuit.