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Safety Relief Made in China

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Our History
Dalian Ligong Safety Equipment Co., Ltd. is the earliest ( in 1992) recognized municipal high technology enterprise in Dalian, all technology of its products possess completely of creative intellectual property rights, and were ranked separately as national-ranking new products in 1991, 1992, 1994, and 1996, and was ranked in the project of national Torch Program in 1997. Its 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. Furthermore, it has been awarded one secondary prize of provincial science and technology progress and two third prizes etc.
Dalian Ligong Safety Equipment Co., Ltd. was built in 1988, seated in the beautiful coastal city---Dalian. It is an economic entity with teaching, scientific research and production connected closely; it is a main base where our country study the prevention of chemical equipments from causing fire for medium overpressure; it is the main component of chemical process machinery doctor subject spots of Dalian University of Technology.
Now DUTA has four professors, one deputy professor, two senior engineers and numbers of engineers, worker technicians and engineer assistants, with powerful technology force and strong technology development strength. It has finished successively a series of key scientific researches and technology development projects relevant with the safety pressure relief technology of chemical equipments for the nation and the departments; it not only specializes 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.
DUTA has four invention patents, four utility model patents, twelve particular techniques and three software techniques. It has 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 standard 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).
DUTA mainly engages in the development and manufacture of safety technology and product in process industry, and is the professionally appointed factory---possessing Manufacturing License of Rupture Disc Devices and Manufacturing License of Safety Valves Devices; it has passed the ISO9001 2000 quality management system certification. Its products were applied widely in more than one thousand large and medium-sized enterprises in petroleum, chemical industry, energy source, metallurgy, electric power, fire fighting and national defense fields.
Our Factory
DALIAN LIGONG SAFETY EQUIPMENT CO., LTD. Located in No.26, Liaohe East Road, Double D Port, Economic and Technological Development Zone, Dalian, China. The factory covers an area of 16000 square meters, and the main office building is 4700 square meters, producing department is 1700 square meters, factory expansion is 4800 square meters.
Storeroom: material storage is 400 square meters, semi-finished product storage is 100 square meters, and finished product storage is 400 square meters.
Our Product
Products include: Conventional Domed, Reverse Domed, Flat, Nonmetal Rupture Disk, Safety Valve, Manhole, Breather Valve and so on. Also Relief devices and safety alarm and so on.
Product Application
Provide safety relief in Chemical Industry, Electric Power Industry, Pharmaceutical Industry and Food Industry.

Our Certificate

Production Equipment
Main Equipment: 139. Material Preparation: 14. Pressure Testing: 16. Machinery Process: 45. Heat Treatment: 9. Weld Equipment: 6. Compressor Equipment: 15. Special Equipment: 8. Typewriter: 6. Home-made Equipment: 20.
Production Market
Our products have sale to many cities in China, at same time, we have cooperation with many counties abroad, including, America, Italy, Switzerland and so on. They all satisfied with our quality and features.
Our Service
Our sales managers will choose the best safety relief project according to buyer requests before we sell them. During processing, we are strict with every details. After buying, we will keep in touch with the customers, providing technical support. If there is any problem, we will try our best to provide our technical support.Safety Relief Made in China

posted Mar 2 by Linda03201

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The QINGDAO NORTHSNOW Refrigeration Equipment Co., LTD established in 2002, aims at designing & manufacturing high quality commercial refrigeration equipment. We are regarding building the most trustful corporation in the commercial refrigeration industry worldwide as our vision. The operation idea is survive by quality, development by credit, efficiency by management, excellent by passion.

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