Ling ling group is one of the world's top 20 tire producers and 1,000 large industrial enterprises in the country. It covers 2. 4 million square metres, 900,000 square metres of construction, 8,500 employees and more than 1,600 engineers and technicians, with a total asset of $6. 2 billion. The main product tyres are slashed tyres, light-calorized midday tyres, a series of 10 large lines of steel-mounted heavy meridian tyres, special tyres, etc., and nearly 2,000 specific varieties, with 4 million sets of tilted tyres per year, 15 million sets of midday tyres with light card, 4 million units with heavy weight and 100,000 units with special tyres. Certification of the ncc, dot, ece, gcc, inmetro, latu, quality management system iso9001 and ts16949, iso14001 environmental management system, gb/t28001 occupational health safety management system, and sa8000 social responsibility management system. Over the years, the consortium has focused on a plant approach based on high-start, high-...