The stationed fluid meets the TBB219-2005 standard for No. 4 stationed fluid

　　Basic uses of No. 4 recoil fluid: used for anti recoil devices of artillery, pneumatic balancing machines, hydraulic cranes, 57mm anti-aircraft gun fluid pumps, and command instrument transformer fluid tanks.

　　Research and production unit: The No. 4 stationed return fluid is developed by the Chinese People's General Assembly and the Institute of Mechanical Technology.

　　Packaging: No. 4 resident return liquid packaging: packaged in 10kg drums.

　　Storage: It should be stored in a clean and dry place, avoiding direct sunlight. After use, the container should be promptly sealed to prevent impurities from entering and absorbing moisture.

　　Regarding shipment:

　　Under normal circumstances, all paid orders will be shipped to you within 24-48 hours. In case of holidays or major events, there may be some delays in the order. We apologize for any inconvenience caused.

　　2. Regarding product delivery, our default transportation method is logistics: the buyer picks up the goods at the destination station or delivers them to their doorstep (with delivery fees added); Please explain in a timely manner if other logistics delivery methods are needed.

　　Regarding returns and exchanges:

　　Henan Hangcai Technology takes "integrity" as the foundation of its business. We are responsible for every product sold. If you are not satisfied with the goods you purchase from our company within 7 days after signing for them, you can apply for a return. If the goods are not opened and the returned goods do not affect secondary sales, our company will handle the return procedures for you and bear the round-trip shipping costs, relieving you of any worries!

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