Established in 1988, Ligong Safety Equipment is one of the earliest municipal high technology enterprises in Dalian, with complete intellectual property rights, and nationally recognized for its new products in 1991, 1992, 1994 and 1996, and in the national Torch Program in 1997. Our product technology was awarded successively the third prize of State Science and Technology progress in 1995 and the first prize of State Educational Committee Science and Technology Progress in 1997.
Our own brand, Duta, and we have four professors, one deputy professor, two senior engineers, technicians and engineer assistants, with powerful technology force and strong technology development strength. We not only specialize in the research of overpressure explosive disaster prevention theory and equipment application basis of chemical liquid, but also could transform the research technology fruits into high technology products: special rupture disk devices and new double-function pilot type safety valve devices.
We have four invention patents, four utility model patents, 12 particular techniques and three software techniques. We have completed the national “eighth five” key technology project of Explosion Prevention Technology Research of Pressure Vessel. Our company is also the main drafter and maker of compulsory national standards of Rupture Discs and Rupture Disc Devices, GB567 1989 and 1999 editions, as well as the draft participant of active AQSIQ Pressure Vessel Safety Technology Supervision Regulations (2000 edition).
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