• Holiday Notice

    Could you please check your inventory and back up full cargo in time?  Our factory will take the Spring Festival holiday from January 14th to February 5th. January 19th-January 27th is our office holiday. If you have any order requirements, whether it is now or after the holiday, please communic...
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  • Merry Christmas!

    TongBao sincerely wishes you a merry Christmas and a prosperous New Year.
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  • Differences between gear and sprocket

    1.Different structure Gear is an involute tooth shape. The transmission is realized by meshing the teeth of two gears. Sprocket is a "three arc and one straight line" tooth shape, which is driven by the chain. 2.Different functions Gear can realize transmission between a...
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  • Why choose CNC Machining?

    The Advantages of CNC machining: The number of tooling is greatly reduced, and complex tooling is not required for processing parts with complex shapes. If you want to change the shape and size of parts, you only need to mod...
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  • A Few Tips for Use of Conveyor Chain

    Correct chain maintenance can save you more costs. Here are some suggestions: 1. Regularly check whether the installation joints and screws of the conveyor chain are fastened. In case of looseness, handle it immediat...
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  • Black Friday Trailer

    Black Friday Trailer

    Once a Year Just There are so many products in  so much discounts In Black Friday Week Only Have you already made your list? Move! Move! Move!
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  • Halloween promotion is still going on

    Halloween promotion is coming to a climax With a pretty double discount price, some people have already got what they want Are you jealous ? Don’t hesitate Send your inquiry  to us now!
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  • Quality or Quantity ?

    Which one do you like? TongBao chooses quality. The key point is quality, which can not affect the customer’s assembly and use, including service life and tensile strength. I can accept excess or lack of quantity. But “quality problems” is intolerable to me, so as to I must be s...
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  • Halloween Big Sales

    Do you want Spend Less, Buy More? How about Double Discount? This is Halloween, not April Fool's Day. It is not a trick. Your product quality will be guaranteed by ISO 9001. Just send us...
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  • How to maintain sprocket

    1. The sprocket shall be filled with lubricating oil in time during operation. The lubricating oil must enter the fitting clearance between roller and inner sleeve to improve working conditions and reduce wear. 2. When the sprocket is seriously worn, replace it with a new one to ensure good engag...
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  • Causes of Bearing Failure

    The causes of bearing failure are often multifactorial, and all the factors affecting the design and manufacturing process will be related to bearing failure, which is difficult to judge by analysis. Generally speaking, it can be considered and analyzed from two aspects: the use factor and th...
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    The boy chose TONGBAO sprocket, he won. What about you? E :                    T : 86(510)82327418 ...
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