under the guise of free design, and building materials vendors Staged "double reed" set of rebates. One of the tricks for the price of the union agreed to deal with the bottom price of both parties to deal with consumers; the second is the use of design, to recommend to consumers and their companies.
have "cooperative" relationship between the products, lied to be their own products; third is the use of showroom to the consumer Those who show their own strength, lying on the factory price is a direct selling products; Fourth, sub-prime, sales of inferior products.
After the transaction by the "double spring" agreement both parties can profit, and these costs are paid by consumers. Rebates lead to high prices of building materials It is precisely because of the rebate prevailing wind, leading to huge profits of building materials,
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