Top Chinese supplier of wind turbine founation anchor bolt.

Leading Heat Treatment Factory

 Anyang Longteng Heat Treatment Material Co., Ltd. has formed a professional manufacturing process of high strength anchor bolt including integrating design, research and development, production, manufacturing and testing

We suppy high quality, high strength anchor bolt to worldwide customers

About Us

Anyang Longteng Heat Treatment Material Co., Ltd. was established on January 19, 2005. The registered capital is 147.89 million RMB, covering an area of more than 300 acres, with a construction area of 100,000 square meters and more than 500 employees. After years of development, it has formed a professional manufacturing enterprise integrating design, research and development, production, manufacturing and testing.

With a number of domestic advanced production line equipment, the annual production of high-strength and high-performance heat-treated steel 150,000 tons.

Longteng has passed EN 10204 Type 3.1 Inspection Certificate for anchor bolt, stud bolt, structural tie rod products for customers.

Wind Anchor Cage

High Strength Wind Turbine Foundation Anchor Cage Solution supplied for large capacity turbine brands for safety.

Rock Bolt

LongTeng supplies 2 types of high strength rock bolts which is widely used as roof bolt in mining and tunnels.

Rock Bolt for Roof bolting

Our Factory

Wind turbine foundation anchor bolts manufactured by Longteng has superior strength for even the largest wind turbine projects, Longteng has 15 years of experience in providing various anchor bolts suited in all application types – whether your wind turbines are anchored in soil, on rock or across mixed ground.

Production Capacity

The main equipments of our company are: Φ5-13mm heat treatment bars for prestressed concrete production line, Φ27-45mm high strength anchor bolts production line, Φ45-80mm high strength and high toughness tie rod production line.

Product Certificates

Our Advantage

Anyang Longteng Heat Treatment Material Co., Ltd. (formerly Anyang LongTeng Special Steel Manufacturing Co., Ltd.) attaches great importance to independent innovation of products and adjustment of industrial product structure. Our established enterprise technology center owns complete testing equipment and instruments, and has very strong R&D and innovation capabilities. It is recognized as “Henan Province Technology Center Enterprise” , “Henan Province High-strength Steel Engineering Technology Research Center“. And has passed CNAS for Conformity Assessment Laboratory Accreditation Certificate.

CNAS for Conformity Assessment Laboratory Accreditation Certificate

Research and Patents

Longteng actively participates in new product development activities. In 2010, LongTeng cooperated with China Steel Research Institute Group Co., Ltd. to start construction of National Science and Technology Support Program of “High-strength steel bar and high-strength high-performance concrete application key technology research”, and became high-strength steel bar demonstration production base in China. Continuous induction heat treatment technology is adopted to significantly improve comprehensive mechanical properties of the steel rod, meet and exceed national standards, and provide structual safety guarantee for various projects.

Quality Test Devices

Cooperation Partners

From Goldwind to Envision, leading wind power Turbine Providers use on LongTeng anchor cage solutions to guarantee running safety of their wind turbine towers.