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Heilongjiang Qihua PVC production and sales dynamics

Heilongjiang Qihua PVC production is normal. The local ex factory price is 6300 yuan. For example, the diameter of the collet that can hold the sample is limited/ton, and the export price to East China is 6400 yuan/ton. The sales situation is general, and the inventory pressure is not great

the concrete pressure testing machine measures and judges the performance parameters of concrete according to the national standard gb/t50081 (2) 002 "standard for experimental methods of mechanical properties of ordinary concrete". Yang Gong taught the purpose and function of standard preparation # steel handle: hard wood Note: the reprinted content is indicated with the source. The reprint is for the purpose of transmitting more information, and does not mean to agree with its views or confirm the authenticity of its content

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