Tianjin durable metal products limited was established in 2003, the company is located in Beichen District of Tianjin, geographical position is superior, the transportation is convenient, good natural environment. The company is a research and development, production, sales of tire protection chain enterprises. Our company developed and produced the tire protection chain loader, mining machines, large mining equipment such as heavy duty truck tire life expectancy, low efficiency of problem, particularly in the mining area, large load of quarry equipment tire a shorter life-span of problems for the job. Use our tire protection chains that can significantly improve the efficiency of mining equipment tires, extending the life of the tire, greatly reducing the high cost of replacement tires, bring direct economic benefits to the user, was welcomed by the majority of users. I produced by the company's products are sold all over the country, mainly exported to Hebei, Henan, Shandong, Shanxi, Hubei, Hunan, Shaanxi, Sichuan, Chongqing, Guangxi, Guizhou, Inner Mongolia, Gansu, Ningxia, Xinjiang, Liaoning, Jilin, Heilongjiang and other regions, in 2007, our company's products are also exported to North Korea, Russia and elsewhere. All the staff welcome to visit our company, Exchange, negotiate business and look forward to working with you for a better future.