64GL301-1 scraper blade] [64GL Mining specified quality factory 64GL301-1 64GL scraper blade [] This set of equipment by the Ningxia World Benniu Industrial Group, Shenhua Ningxia Group, ABB (Shanghai) Corporation and World Drive ( Jiyuan) company research and development, is the world's first intelligent variable speed scraper in the true sense, with high reliability, low power consumption, long life, suitable for underground coal mining intelligent, automated Face system construction, with in China's annual output 200-12000000 tons mechanized coal mining, mechanized caving face production, efficient and clean coal mining, coal mining equipment to enhance the level of our machinery has great role in promoting. 64GL301-1 scraper, visible publish evaluation reports not to the quality of employment between school "than", but more services in schools connotation construction, education show social responsibility, but also because "sun." So, as the main owner of the information and education to respond to social concerns of the responsible authority, the school should be released employment situation and carry out quality assessment body, in order to more fully explore the data, should actively introduce a third-party organization, the first Evaluation of the three parties should focus on the depth of excavation and survey data to track employment connotation construction to serve the schools. National Coal stockpile of about 3.4 billion tons, covers an area of ??26,000 hectares, is China's industrial solid waste output and the cumulative amount of the cumulative amount of the largest solid waste. In 2004, the amount of coal gangue comprehensive utilization of 1.35 million tonnes, the utilization of 54%. [64GL blade] Mining specified quality factory