تلتزم الشركة دائمًا بمعدات سحق التعدين ومعدات صنع الرمل ومعدات الطحن الصناعية، وتوفير حلول عالية الجودة للرمل والحصى ومجموعات كاملة من المعدات للمشاريع الهندسية واسعة النطاق مثل الطرق السريعة والسكك الحديدية والمياه والكهرباء، إلخ. ، وتسعى جاهدة لممارسة التصنيع الدقيق المحلي والتخطيط العلمي العالمي، مع اعتبار آسيا المنطقة النائية والعملاء المشعين حول العالم. بعد أكثر من 30 عامًا من التطوير، نجحت العديد من منتجات الشركة في اجتياز العديد من شهادات الجودة الدولية مثل الشهادة الدولية ISO9001:2015، وشهادة الاتحاد الأوروبي CE، وشهادة GOST الروسية. بعد ذلك، في السعي لتحقيق التميز، سنستمر في استخدام منتجات عالية الجودة والتكنولوجيا الاحترافية والخدمات المخلصة لمساعدة العملاء على خلق قيمة أكبر، واستخدام الإجراءات العملية لمواصلة تعزيز البناء البيئي للحضارة الإنسانية.
·Discussion Coal dust is the most significant risk factor for occupational health risks to coal miners McBean et al suggested that the majority of coal mine dust lung diseases are associated with coal dust only that but several researchers 7 19 have found that coal dust is not only a risk factor for coal miners to develop coal
·A major update to these models was reported in the Biological Effects of Ionizing Radiation BEIR VI report released in 1999 5 The report s models were based on analyses of an international pooled study of lung cancer among underground miners that included cohorts of uranium as well as tin iron and fluorspar miners from Australia
The incidence of cancer of the lung in coal miners in England and Wales The incidence of cancer of the lung in coal miners in England and Wales Br J Cancer 1953 Mar;7 1 10 8 doi / Authors E L KENNAWAY N M KENNAWAY PMID 13051501 PMCID PMC2007869
·Miners can also have an increased risk of dying from lung cancer Risk increases when miners experience exposure to exhaust from diesel engines for five or more years Pneumoconioses meaning dusty lung can cause impairment disability and premature death The two main types of pneumoconioses that affect miners are coal
The clinical histological and biological features of 157 lung cancers in coal miners and ex miners are presented In most respects—age bronchoscopic appearances histological type and symptoms —the two groups are similar A striking feature was the lower frequency with which lung cancer in miners was found to be operable It was
The results are presented from an investigation into the mortality of miners and ex miners employed by the National Coal Board from a comprehensive survey of respiratory disease in a Welsh mining community and from a study of the comparative mortality from lung cancer in Welsh mining and non mining towns
Objectives Coal miners suffer increased mortality from non malignant respiratory diseases NMRD including pneumoconioses and chronic obstructive pulmonary disease compared with the US population We characterised mortality trends from NMRD lung cancer and ischaemic heart disease IHD using data from the Federal Black Lung Program National
Results We observed an increased risk of lung cancer among coal miners OR = ; 95%CI = compared to noncoal miners Further a dose response relationship was observed for the risk of lung cancer and the number of years working as a coal miner P trend = with those working as miners for more than 10 years experiencing an