
| The rotational flexibility of the needle roller bearings must be tested. |
| The assembly shall be rust-proofed prior to packaging, and the marks on the package shall be complete and legible. |
| The products produced continuously by the universal joint will undergo a new type inspection after two years of production. |
| The determination and verification of the effective hardened layer depth of the cross shaft during carburizing and quenching shall be in accordance with the provisions of Chinese standard GB/T9450-2005. Generally, the detection is carried out at a position 1/2 to 2/3 of the total length of the shaft neck from the end face of the shaft neck. |
| The measurement of the surface roughness of the 5-12062X cross shaft is in accordance with the provisions of the Chinese standard JB/T7051-2006. |
| The size of the floor roughness of the 5-12062X cross shaft is in accordance with the provisions of the Chinese popular JB/T7051-2006. |

U-joint Factory in China
We have installed nine full-process fantastic inspection nodes overlaying "raw fabric warehousing - manufacturing processing - completed product delivery", geared up with expert tools such as spectrum analyzers, ultrasonic flaw detectors, and dynamic stability detectors.
FAQ
Q:Can you expedite the production of orders? How to calculate the expedited fee?
A:We can furnish expedited services. The manufacturing cycle of everyday orders can be shortened to 10-15 working days after expediting, and that of custom-made orders can be shortened to 15-25 working days. The expedited rate is 5%-10% of the whole order amount, relying on the order volume and expedited cycle.
Q: What preferential policies are there for becoming a long-term partner?
A:Long-term companions can experience bulk buy reductions (5%-8% cut price for annual purchases over 50,000 pieces), precedence manufacturing scheduling, free pattern updates, upgraded technical assist and distinct client supervisor docking services.
Q:Do you provide product accessories and maintenance tools?
A:We can furnish established joint add-ons (such as bearings, oil seals, pass shafts) and one of a kind upkeep tools. Accessories can be bought collectively with the principal order or ordered separately. Maintenance equipment can be supplied to long-term clients at value price.

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