An external gear pump utilizes two identical gears meshed side by side, where one gear (driving) is driven by a motor, and it – in turn – drives the other gear (driven) driving gear driving the idle (driven) gear. Each gear is supported by a shaft with bearings on both sides of the gear.http://www.vickers-fluidpower.....com/gear-pump/extern

A powder packaging machine refers to various packaging equipment used for automating the production of powder products in different industries.http://www.ocpackmachine.com/l....iquid-pouch-packing-

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PU Gaming Chair is actually a type of artificial leather made of thermoplastic polymer and is used for making both furniture and apparel. It is completely synthetic.http://www.kangmingfurniture.c....om/gaming-chair/pu-g

Galvalume Steel Sheet is an aluminum-zinc alloy-plated steel sheet developed by the Bethlehem Steel Corporation in the US. The plating consists of 55% aluminum, 43.4% zinc and 1.6% silicon.http://www.jingtaicoils.com/steel-sheet/