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WOCHANG states on its website that it is a manufacturer of shopping carts, shopping baskets, and laundry products with more than 20 years of experience, and that it has BSCI and SCAN certifications. For warehouse trolley sourcing, that matters because product consistency depends on how closely the supplier controls the real manufacturing process.

WOCHANG’s own published guide gives a practical reference: a typical metal shopping cart usually weighs 25 to 40 kg, while heavier warehouse or industrial models can reach 45 kg or more. In the same guide, small supermarket carts are listed at 25 to 28 kg, medium retail carts at 30 to 34 kg, and large warehouse carts at 35 to 40 kg.

A metal shopping cart can sometimes give a small shock, but in most cases this is static electricity, not an electrical fault in the cart itself. NASA defines electrostatic discharge as the sudden transfer of electrical charge between objects at different potentials, and its safety guidance explains that the familiar static shock happens when electrons flow between objects that come close together or touch.