1. The central axis and other rotating parts are all made of brass, which ensure its little friction resistance, good handling for stretch out and draw back
2.The side plate is made of alloy steel, and is solid, durable and no deformation
3. The quick coupling is made of brass, and is strong, durable, easy to connect and with long service life. And it’s applicable to all kinds of standard connector.
4.The shell is made of high quality engineering plastic with module production, and this can ensure its beautiful appearance, impact resistance, aging resistance and long service life
5.The hose material is made of advanced polyether hose, and this can ensure its good water resistance, aging resistance, long service life.
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