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Discussion on Calculation Method of Stone, Cylindrical Stone and Shaped Stone Price

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2017/09/06 19:51

[Abstract]:

First, the specifications of stone

In accordance with the stone stone curtain wall is usually the practice, the thickness is usually 18mm, 25mm, 30mm three, as three cases, for example, the process of calculating the price of materials:

1, stone blocks to be cut, processed into the shape and thickness can be used, according to 18mm, sawing seam 8mm, then each cubic meter blocks can be made 1000 ÷ (18 +8) = 38.46 square meters.

2, Huangliao price is usually 6000 yuan / cubic meter, big cut to consider 80 yuan / ㎡ of the cutting costs, the cost price of 6000 ÷ 38.46 = 156 yuan / ㎡, plus cutting costs for 156 +80 = 236 yuan / ㎡.

3, the stone plate due to the size of different specifications, there are cutting utilization of the problem, generally take 90%, consider the impact of cutting losses, the cost should be 236 ÷ 90% = 262 yuan / ㎡.

4, stone manufacturers generally have to consider 15% to 30% of the profits, if calculated by 15%, manufacturers offer should be 262 ÷ 85% = 308 yuan.

5, stone freight 18mm stone 8 to 10 yuan / ㎡, 25mm stone 14 to 16 yuan / ㎡, 30mm stone 18 to 23 yuan / ㎡, are considered a loading and unloading, the choice of high and low costs to see the location of the project from the processing location of the distance.

Such as 25mm stone price: 1000 ÷ (25 +8) = 30.30 ㎡; 6000 ÷ 30.30 = 198 yuan / ㎡; 198 +80 = 278 yuan / ㎡; 278 ÷ 90% = 309 yuan / ㎡; 309 ÷ 85% 363 yuan / ㎡, consider the freight after 363 +14 = 377 yuan / ㎡.

308 + 402 yuan / ㎡, consider the freight after 402 +18 = 420 yuan / ㎡.

Second, cylindrical stone shaped stone

Cylinders are very versatile, and different shapes, there is no formula can be directly quoted price is basically the price = cost + profit = material costs + processing costs + gross profit

1, the material cost is good, and the processing cost due to the shape of the stone cylinder fancy processing is difficult, the use of different materials and various plant equipment, processing capacity, good at different, etc. will be very different, so there is no way to accurately calculate The

2, for the conventional simple stone cylinder, the surface is very easy to calculate, we must pay attention to customer requirements of the size and color, after all, the length of the stone cylinder are relatively large, so the size of the block is not easy to find, so the price is not According to the conventional price of the plate and the price of blocks to be determined. But according to the specific size of the point of view, but also after a lot of use.

3, so the direct method is that you have done processing, in the accumulation of long experience can be considered out. Generally experienced master will use the empirical formula to calculate. Example: a company before there are some very difficult to deal with the pillars, and processing factories in accordance with past experience to estimate a cost, the processing plant to do more than ten years of shaped and cylindrical. But because the actual production is more difficult than imagined, the cost increased by 50% (the factory itself said), but because the factory itself to calculate the error, so the price or the original price has not changed. Otherwise it would be the company's own estimate of the loss of the Oh.

4, if you are a trading company, then for the stone and other special-shaped stone, especially the processing of relatively difficult Shaped Stone is best not to offer their own or very easy to estimate the situation of the error. It is best to the price of the factory based on the price of higher security.

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