In Tongshan County, three villagers engaged in the recovery of waste products discovered a bronze sword from the scrap iron sold by a local family. On November 21, they handed over the sword to the county cultural relics bureau. As we learned yesterday, the trio received a reward of 900 yuan. According to Liu Huiliang, one of the winners, last month, he and his companion Tang Shaoxi and Chen Liang went to Yangfang County to collect waste products. During this period, they spent 10,000 yuan to purchase a large amount of scrap iron and electrical appliances from a local family. During the cleanup process, Liu Huiliang discovered that there was a bronze sword in these waste products. Considering that this sword may be an antiquities, they did not sloppy disposal, but put the sword in the station. After the news came out, someone had paid a high price for the bronze sword and was rejected by the three. Due to fear of the theft of the bronze sword, the trio donated the sword to the Cultural Affairs Bureau of Tongshan County on November 21. After being identified by a professional, the sword is an invaluable value for the bronze sword of the Warring States Period. For the donation of three people, the council expressed its appreciation and awarded them a certificate and a bonus of 900 yuan. Cement grinding aid is a kind of chemical additives can improve cement grinding effect and performance, can significantly improve the cement production, every period cement strength, were to improve its liquidity.Cement grinding aid can greatly reduce the grinding ball phenomenon formed in the process of electrostatic adsorption package, and can reduce the grinding of ultrafine particles in the process of coalescence trend again.Cement grinding aid can significantly improve the liquidity of cement and improve the mill grinding effect and efficiency of classifier choose powder, so as to reduce the energy consumption of grinding.Using grinding agent in the production of cement with a low compaction trend of coalescence, which benefits the loading and unloading of cement, and can reduce the phenomenon of wall hanging cement silo.As a kind of chemical additives, grinding agent can improve the cement particle distribution and hydration, so as to improve the early strength cement and later strength. Cement Grinding Aids,Grinding Aid,Grinding Aid For Cement Mill,Grinding Aid For Cement Production NINGBO LUCKY CHEMICAL INDUSTRY CO. LTD , https://www.nbluckychemical.com