China's tape industry enterprises widely distributed, a large number, but relatively concentrated. Almost all the provinces and autonomous regions have tape production enterprises, and there are several hundred enterprises; However, tape enterprises are mainly concentrated in zhejiang, shandong, hebei, henan, Shanghai, jiangsu, liaoning, guangdong and other provinces and cities. In addition, the production of the top 10 of China's tape industry accounts for more than 60% of the total national production of tape. For example, according to the zhejiang rubber industry association, the province's production of v-belts reached 4. 4 percent in 2004. 500 million Am, or about 51 percent of the country's total production. 1%; The output of conveyor belt reached 14.06 million m2, accounting for about 14% of the total national output. Tape export delivery value reaches 2. 8.8 billion yuan, accounting for about a quarter of the value of the country's tape exports. The tape industry in zhejiang province and concentrated in ningbo, shaoxing, tongxiang, sanmen, tiantai and other regions. For another example, according to the statistics of shandong rubber industry association, the output of conveyor belt of enterprises above designated size in the province reached 29.4 million m2 in 2004, accounting for about 30% of the total output of conveyor belt in the country. According to the investigation of pipe belt branch, the conveyors in hebei province are mainly located in li county and boye area, with a production capacity of about 50 million m2 and an annual output of 30 million m2.