China's construction machinery industry market opportunities have attracted more and more international capital, internationally renowned after-market service companies have distribution in China, many local brands to step up distribution in the country. Relevant administrative departments should re-examine how the development of China's mechanical engineering after-market, drawing on mature markets 'mature' experience. Market regulation and industry management policies to be introduced, under the management of competition and norms, brand, technology, the strength of the chain of service enterprises will gradually replace the small roadside shop, to better meet customer needs. At the same time, it can also play the role of industry associations to provide information services, well-known and influential industry organization formed by sponsoring related activities, or to host seminars, etc., so that the whole industry to maximize synergies, to the brand, scale, chain development. China's construction machinery industry will enter the market era, the greater part of the area of ??after-market service revenues will account for construction machinery enterprises income. In the case of the current number of foreign construction machinery manufacturers have entered the Chinese market and post-market areas to seize the dominance of China's construction machinery enterprises must seize the golden opportunity of new excavator price rapid development of construction machinery industry, after a thorough understanding of the market, careful analysis After the market, with its own unique advantages and stage of development, we saw the opportunity to grab the top spot after China's construction machinery industry market development, stand out from the competition in the market. Check and replace bolts precautions Quintana: Quintana before unscrewing bolts should be completely release the gas pressure on the body. Otherwise, when the price of used excavators remove the whole body bolts to eject the experience will lead to serious consequences. 1) Before unscrewing bolts Quintana, should be fully put to the body of nitrogen (N2) 2) Remove all of the species bolt excavator price, and check if they have cracks and damage. 3) mounted on the whole body bolts in a diagonal direction Tighten bolts, but could not suddenly tighten a bolt in place. 4) Use a specified range of torque wrenches. III. Check the seals and replace 1) Once a hammer hydraulic oil leakage, should immediately replace the damaged seal ring. To clearly indicate damage to the price of the domestic excavator seals, please consult the map; 2) found that damage to the seals, the reasons must be identified and treated promptly. 3) replacement of seals, should be coated in butter seals and seal seat, according to the mark with the middle finger traction, thumb firmly hold the embedded seal seat. Careful not to use too much force causes seal variants. Note: The actual work needs to be replaced every 1000 hours to seal the domestic price _ Ka mini-excavators and heavy (certified) _ Hanzhong excavator price offered by 泰安嘉 and Heavy Machinery Co., Ltd .. Taian Jia and Heavy Machinery Co., Ltd. (www.tajhzg.com/) is Tai'an, mining machinery leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Heavy leader in Kerry and the staff warmly welcome all inquiries negotiations to create Kerry and heavy industry a better future.