NEWS

  • Meet us at Fastener Expo Shanghai 2021 !

    Meet us at Fastener Expo Shanghai 2021 !

                               
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  • Firing ceremony of our new seamless pipe factory

    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...
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  • Let the flag of “Workers Pioneer” fly high

    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...
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  • New Product – Stud Bolt for Wind Turbine Blade Root

    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...
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  • China OEM high strength stud bolt manufacturer – Anyang Longteng Heat Treatment Material Co.,Ltd

    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...
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  • Dextra Group VIsit Anyang Longteng Heat Treatment Material Co.,Ltd

    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 ...
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  • Yulong Group held a management experience sharing and exchange meeting

    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...
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  • Closing to an end – Construction for Continuous Rolling Production line for φ114 Seamless Pipe

    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...
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  • What kinds of anchor bolts are used as wind turbine fastener

    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...
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  • High strength bolt series for wind farms available

    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 ...
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  • Material Requirements for high strength bolt and accessories

    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...
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  • Choosing the best threading method

    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...
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  • Coarse thread VS fine thread

    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...
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  • Anchor Bolt Model Display

    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...
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  • Head officers of Indu District Government Visit Our Φ114 Pipe Project

    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...
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  • In first month of 2021, We have an auspicious start on both production and sales!

    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...
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  • Hot heading VS Cold heading fasteners

    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...
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  • Raw Materials QC Test After Stock in

    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...
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  • Regular Tests For Anchor Bolt Foundation of Wind Turbine Generator System

    Regular Tests For Anchor Bolt Foundation of Wind Turbine Generator System

                        Anyang Longteng Heat Treatment Material Co.,Ltd is a professional manufacturer for anchor bolt assembly, which meet technical specifications of GOLDWIND, GE, ENVISION, SANY, TIANRUN, MINGYANG, SHANGHAI ELECTRIC. According to A...
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  • Receipt of a Client Appreciation Letter

    Receipt of a Client Appreciation Letter

    State Power Investment Corporation Limited (SPIC) send a Appreciation Letter to Anyang Longteng Heat Treatment Material Co.,Ltd on 31th, December 2020, showing sincerely thankful to Anyang Longteng Group for their cooperation in Pingyao Wind Farm Project. In March 2020, a serious period of padami...
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  • Steel materials for High strength Fasteners

    Steel materials for High strength Fasteners

    Steel is the most common material for fasteners. For high strength fasteners, it is always important to select steel materials.  Below chat is the most common materials for high strength fasteners as a guide.   Commodity Property Grade Material Standard fitable specifications Bolt...
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  • Post tension bar products up to 70 diameter

    Post tension bar products up to 70 diameter

                        Anyang Longteng Heat Treatment Material CO.,Ltd is a professional heat-treating rod factory based in China, providing high strength QT treated bars and bolts. One of the most competitive materials is post-tensioning bar system.  P...
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  • ALLOY STEEL, THREADED FULL LENGTH, ASTM A193 B7 STUDS BOLT OEM CHINA SUPPLIER

    ALLOY STEEL, THREADED FULL LENGTH, ASTM A193 B7 STUDS BOLT OEM CHINA SUPPLIER

      Anyang Longteng Heat Treatment Material Co., Ltd is a leading manufacturer and supplier of heat-treated stud bolts, providing 8.8, 9.8, 10.9, 12.9 property class stud bolts. Threaded full length B7 stud bolts are available here. ASTM A193 B7 studs are alloy steel bolting materials and fast...
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  • polish bright round bar, polished stainless steel round bar for exporting, not stainless

    polish bright round bar, polished stainless steel round bar for exporting, not stainless

    The purpose of the peeling and polishing process is to remove decarburized layer and surface rolling defect on anchor bars,and to guarantee the steel bars’ out-of- roundness not more than 0.05mm A、peeling: to ensure remove decarburized layer(Total layer’s depth is 0mm) and surface rolling...
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