How to calculate bolt tightening torque

2022-09-26 16:46

Hebei Chengyi Engineering Materials Co., Ltd. is committed to the production and development of various fasteners. The products are widely used in electric power, steel structure, construction, mining, photovoltaic, machinery, transportation, railway and other fields. Management system to provide customers with detailed, caring and assured one-stop service.

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Tax rebate funds bring “timely rain” to intelligent manufacturing

2022-06-27 10:13

In the “creative highland” in the east of Yantai High-tech Zone, there has never been a lack of atmosphere and passion for innovation and entrepreneurship. Since the beginning of this year, the Taxation Bureau of Yantai High-tech Industrial Development Zone of the State Administration of Taxation has resolutely implemented the new combined tax and fee support policy, and used the continuous release of policy dividends to empower the R&D and innovation of enterprises.

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How to understand high strength in high strength bolts

2022-05-13 21:52

Several concepts about high-strength bolts 1. According to the specified performance level of bolts above 8.8, they are called high-strength bolts. The current national standard only lists M39. For large-size specifications, especially those with a length greater than 10 to 15 times High-strength bolts, domestic production is still short-term.

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Fastener Chengyi factory – statement to customers And plans to accelerate the production of bolts and nuts

2022-05-10 09:51

Dear customer The recent “dual control of energy consumption” policy of the Chinese government has had a certain impact on the production capacity of some manufacturing companies, and the delivery of orders in some industries has to be delayed.

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Hebei Dabang Import and Export Trading Co., Ltd.


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