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Deputy secretary of Anyang Municipal Party Committee, visited the company to investigate and guide the work
On June 9, 2021, Li Yibo, deputy secretary of Anyang Municipal Party Committee, visited our 114 hot continuous rolling seamless steel pipe production line project for investigation, accompanied by Lei Ming, secretary of Yindu District Party Committee, Mei Mei, member of the Standing Committee of ...Read more -
High-strength bolt connection form
(1) High-strength bolts are usually divided into friction connection, tension connection and pressure connection according to the connection form. Among them, friction connection is the basic connection form widely used at present. (2) The treatment methods of the friction surface of the high-st...Read more -
Joint vaccination to build the Great Wall of Epidemic Prevention
All kinds of seeds should be planted, vaccinated voluntarily, and vaccinated free of charge. On May 8th, Anyang Longteng employees began to vaccinate the new crown vaccine in time, by stages, and in batches. In order to let employees know and voluntarily participate in the vaccination, on the one...Read more -
Anyang Longteng launches a comprehensive emergency plan drill for production safety accidents
In order to strengthen safety production management and further improve the ability of employees to respond quickly to emergencies and emergency response, Anyang Longteng Heat Treatment Materials Co., Ltd. carried out a comprehensive emergency plan drill for production safety accidents at 9:00 on...Read more -
Penetrant Testing for Bolt Products
Dye penetrant inspection (DP), also called Penetrant Testing(PT), is a widely applied and low cost inspection method used to check surface-breaking defects in ferrous materials including our bolt products. For ferrous components magnetic-particle inspection is often used instead for its subsurfa...Read more -
PACKAGING – WIND TOWER ANCHOR BOLT
Packaging method is always one of the most important part of purchasing, especially for the wind turbine foundation cage anchor bolt. After finish main production part, we need to make full pole packaged, in order to enlarge the products life span and maintain their good property and performance....Read more -
Meet us at Fastener Expo Shanghai 2021 !
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Firing ceremony of our new seamless pipe factory
On the morning of April 30, the firing ceremony of the 300,000-ton-a-year seamless steel pipe continuous rolling production line project of Yulong Pipe Industry was successfully held. Yindu District Party Secretary Lei Ming, District Mayor Wang Lei, leaders of the Shuye Town Government, the Manag...Read more -
Let the flag of “Workers Pioneer” fly high
On the morning of April 20th, 2021, International Labor Day’s celebrating and the 70th Anniversary of the Founding of the Municipal Federation of Trade Unions was held at the Municipal Workers’ Cultural and Sports Center. Anyang Longteng Heat Treatment Material Company’s high-st...Read more -
New Product – Stud Bolt for Wind Turbine Blade Root
Anyang Longteng Heat Treatment Material Co.,Ltd is now developing new products towards the market. With long term connection in Wind energy industry, we have fruitful experience to produce high strength anchor bolt cage assemb...Read more -
China OEM high strength stud bolt manufacturer – Anyang Longteng Heat Treatment Material Co.,Ltd
The process of customizing a product: 1. According to customer’s drawings or samples 2. Professional engineers discuss according to drawing process 3. Sales team send quotation 4. After payment, purchase raw materials, produce samples, test samples, send to customer 5. After customer testin...Read more -
Dextra Group VIsit Anyang Longteng Heat Treatment Material Co.,Ltd
Dextra Group was established in Thailand by French entrepreneurs, dealing mechanical splices, high performance bars and rock bolt systerms. Dextra group is now very interested in Anyang Longteng’s Heat treatment line and wind power products, and is planing for a long-term cooperation with ...Read more -
Yulong Group held a management experience sharing and exchange meeting
At 14:00 on March 10, 2021, Mr.Feng Huaizhi, vice president of production of Henan Yulong Group, Tengsheng Technology Co., Ltd., and his party went to Anyang Longteng Heat Treatment Materials Co., Ltd. for production management exchanges. Anyang Longteng participated in the exchange meeti...Read more -
Closing to an end – Construction for Continuous Rolling Production line for φ114 Seamless Pipe
The land of northern Henan in March is full of fresh green and vibrant. Yulong Group’s Anyang Longteng Φ114 hot-rolled seamless steel pipe production line project has entered a decisive battle, and the front-line employees are rolling up their sleeves and working hard. At the project constr...Read more -
What kinds of anchor bolts are used as wind turbine fastener
Grade 8.8, 9.8, 10.9, 12.9 are high strength anchor bolts for wind power. Grade 10.9 and 8.8 are the most common grades. At present, there are roughly 3 types of fasteners used in domestic wind turbines and foundations: Tower bolts. High strength bolts used on the wind turbine tower a...Read more -
High strength bolt series for wind farms available
Wind energy is now the world’s most popular and upcoming source of renewable energy source, and is one of the fastest-growing renewable energy technologies. Production of wind electricity doubled between 2009 and 2013, and in 2016, wind energy accounted for 16% of the electricity generated ...Read more -
Material Requirements for high strength bolt and accessories
Commen materials for high strength bolt, studs, nut and washer are listed in below form. But Anyang Longteng are able to conduct production for other materials, please send the drawings and technical documents to our team. Heat Treatment procedures for high strength bolt, stud, nut and washer sh...Read more -
Choosing the best threading method
Cut thread VS Rolled thread Is it necessary to specify the machining method? Are the differences in the end product significant enough that a designer should give additional consideration to this question? In some instances, yes. Following are some main considerations to help determine if rollin...Read more -
Coarse thread VS fine thread
Coarse thread What’s coarse thread? The so-called rough teeth are actually refers to the standard thread, in the absence of special instructions, we generally buy stainles...Read more -
Anchor Bolt Model Display
ANYANG LONGTENG HEAT TREATMENT MATERIAL CO.,LTD WIND TURBINE FOUNDATION ANCHOR BOLT CAGE ASSEMBLIES PRODUCT MODEL 1. In order to give clients a better understanding of foundation anchor cage, we make a anchor cage model in our factory. Positive responses were received after c...Read more -
Head officers of Indu District Government Visit Our Φ114 Pipe Project
On 28th Jan, 2021, Vice Secratary of Indu District Mr. Wang Lei, Secratary of Shuiye Country Mr. Hao Haitao, Visited Anyang Longteng’s Φ114 hot rolled seamless pipe project site. Mr. Feng Dibao, Chairman of Yulong Group, Mr. Feng Bo, General manager of Anyang Longteng warmly welcome...Read more -
In first month of 2021, We have an auspicious start on both production and sales!
For January 2021, Anyang Longteng Heat Treatment Material Co.,Ltd produced 11,161 ton seamless pipes, completing 117.49% of January goal, and this number also supass the history record; Our sales team won contracts for 144 wind turbine foundations, completing 120% of January goal. It is really an...Read more -
Hot heading VS Cold heading fasteners
Is the head of bolt formed by puching? Yes, most of the heads of bolts are punched, because this is the most commercial way. Factories can use hot forging or cold forgine to form the heads. But sometimes for small quantities, some specified head bolts are shaped by turning machine/ lathe. &n...Read more -
Raw Materials QC Test After Stock in
After stock in, take samples in propotion. Test items are chemical composition, macrostructure,non-mettalic inclusion,crystal degree,decarburized layer,tensile test,impulse test, ultrasonic test etc. Materials that psss all above test items can be used. chemical compositions by spark Spectromet...Read more
