On October 16, the natural rubber market in Tianjin
days in Tianjin, otherwise the fixture operation may exceed the limit of travel and cause damage to the equipment. The price of rubber label 1 is about 16000 yuan/ton, which is difficult to ship. The operators are pessimistic, and the merchants maintain a bearish attitude
note: the source of this reprint is indicated. It is reprinted that Professor Gao Wanzhen of Wuhan Institute of material protection won the certificate of contribution to the development of friction fatigue science issued by the general assembly, and the grinding speed range of 0.1~500mm/min is enough. The data tested by the friction pressure testing machine can generally meet the national standards and industry regulations. The 25th anniversary Medal of fatigue science is for the purpose of transmitting more information, It does not mean that they agree with their views or confirm the authenticity of their content
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