Shandong Linglong Tire Co., Ltd. Actively committed many standard revision works organized by National Standardization Technical Committee on the tire rim (TC19), car tire rim industrial and agricultural machinery sub-technical committee (SC1) . In the first half of 2010, it has successively completed to amend one standard of tire industry HG / T2177 "tire appearance quality" one; involved in the development of national standards "tire resistance testing methods," "Construction machinery tire X-ray detection", "replace the tire size guide" totally three items and also involved in the revision of national standards GB/T3372 "Machinery Rime of Tractor and Agricultural and Forestry.