'How to calculate the weight of doing business Method'

Kunshan Precision bearing  In international trade, a lot of goods are measured by weight, based on normal business practices, usually calculated weight method are the following:
1. GW:
GW is a commodity body weight plus the weight of the packaging, this approach generally applicable to the weight low value goods.
2. NW:
Weight refers to the weight of the product itself, as the packaging of goods after the actual weight. Net weight is the most common in international trade weight approach. However, some lower-value agricultural products or other goods, sometimes with "gross for net" approach to weight. For example, broad beans 100 tons, single jute bags gross for net, called "gross for net" was actually calculated according to gross weight.
Net weight when in use, for how to calculate packaging weight, the international community are the following practices:
(1) according to the actual tare weight calculation, the actual tare weight referring to the actual package, it refers to the measure of the packaging by piece obtained after combined.
(2) calculated according to the average tare, if the goods are used relatively uniform packaging, weight or less, can be drawn from the entire consignment certain number of pieces, called out of its tare weight, and then calculated the average weight, and then multiplied by the total number, can be obtained tare entire cargo, in recent years, with the development of technology and standardization of packaging materials and specifications, with the average tare practice has become increasingly common, some people call it standard tare.
(3) the customary tare weight calculations, some commodities, because they use packaging materials and specifications have been relatively stereotyped, tare weight has been recognized by the market. Therefore, in calculating its tare weight, you need to weigh the package piece by piece, recognized by customary leather pieces can be obtained by multiplying the total.
(4) according to the agreed tare calculation, that the prior agreement of both parties as a basis for calculation package weight.
Internationally there are a variety of computing tare method, which of these calculations to obtain the net weight, should be based on the nature of goods, the use of packaging characteristics, the number of contracts and the trading habits of many, agreed in advance by both parties tied contract to avoid controversy afterwards.