Since the reform and opening up, with the expansion of the income gap between urban and rural areas, especially urban residents everyday update rate speeds up, discarded items and even the majority of semi-new brand new, you can continue to use, thus boosting the waste materials from big cities to small cities and then circulation of second-hand goods in rural areas. Meanwhile, with domestic resources supply Huizhou gilded recycling, waste area near the coastal port of imports become an emerging class of new industries. Since the 1990s, Guangdong, Zhejiang, Jiangsu, Shanghai, Tianjin and other coastal areas, import, dismantling scrap metal progressive development of the formation of larger industrial scale. Dongguan recycling industry as the end of the industrial chain, trouble will affect various industries to it. "A car scrap recycling companies to sell up to earn one hundred yuan." Over the years, recycling prices have been volatile, personal afraid to stockpile close to after a timely manner. "Now waste and cheap, and litter bins 0.45 yuan / kg Dongguan gilded recycling, books this 0.3 yuan / kg, thin scrap 0.6 yuan / jin ......" Speaking now of the market conditions, recycling companies look of frustration, said From the beginning of last year, recycling entered the downturn, and now the weather gets warmer, scrap prices are once again cool, long-term market downturn has spread to their income, "the past, when sold to the Recycle Bin, such as waste paper, old books per pounds can basically see a dime of profit, but now has been reduced to half the profits. "moment recycling market can be said that in recent years the low, but prolonged downturn like this is rarely the case, as to when it will rebound, waste recycling companies do not know, but they are willing to wait until the arrival of the recycling industry, "spring". Environmental destruction answer given by professional and technical personnel: BCR3 state by continuous extraction method and Tessier5 step sequential extraction method for certain heavy metals in the waste board chemical speciation studies. The results show that, BCR sequential extraction of heavy metals in the circuit board for waste extraction rate higher than the Tessier sequential extraction method. Discarded circuit boards Cu, Pb, Zn and Ni various forms of distribution vary widely. BCR and Tessier sequential extraction method results show that the waste circuit boards mainly residual presence of Ni Hong Kong gilded recovery, little environmental pollution risks; while Pb and Zn mainly in acid extractable or carbonate and Exchangeable presence of acid rain in the south environments easy dissolution; BCR and Tessier sequential extraction method for evaluating the activity inconsistent with gold-plated Cu recovery, but due to the high amount of waste in the Cu circuit boards, the impact on the environment can not be ignored. In order to better deal with these dangerous products, please contact us formal environmental destruction company. Tat Hing waste recycling, recycling Dongguan gold-plated, gold-plated Recycling of waste materials by up to Xing. Search for "scrap metal recycling, waste plastic recycling, e-waste recycling, industrial waste recycling, building" reliable suppliers, network operators choose to have a full alliance Certified: Dongguan City of-waste recycling company (www.dxhphs.com) , honest and reliable, "business alliance customer service" on page now click on live chat with us now!