Many shopkeepers and salespeople in counters do not have relevant product knowledge, nor have they received professional appraisal training, but only have basic product data (functions, models, sizes, weights, prices and other information). Therefore, almost all counters will refuse to provide inspection.

Extended data:

"Support counter inspection", usually in the context of online shopping, means that the seller promises that the goods he sells are genuine and can withstand relevant inspections. Buyers are welcome to inquire and consult at relevant counters.

The most frequent appearance of this slogan is to sell clothes and cosmetics of some well-known brands on the Internet, because these things are most likely to meet the legitimate holders of non-trademarks to produce or authorize counterfeit products, and the quality of counterfeit products is often different from the real ones.