Hunan Weiping Technology and Development Co., Ltd. (hereinafter referred to as WIPIN) is located in Lu-Valley Hi-Tech District, Changsha City, Hunan Province, China. The enterprise is a high-tech innovative enterprise which specializes in R&D, manufacture, and sale of portable hydraulic tools. The Portable hydraulic tools are widely used for rescue and emergency of transportation, municipal administration, earthquake, mine, fire fighters, airport, seaport etc. WIPIN has been to "Belief in base,