linyi ruiyuan industry trading co., Ltd. was founded in 2004, covering an area of 400 MU, building area of 40,000 square meters, registered capital of $ 10.6 million, more than 260 people, senior technical staff of 70 people, accountants 6 people.

linyi ruiyuan industry trading co., Ltd. is located in East longitudinal road economic development zone, linyi, so transportation is very convenient, North to 327 State Road, from linyi Airport 5 km, West 205 national highway, about 10 km away from the Beijing-Shanghai high speed, location, traffic convenient.

linyi ruiyuan industry trading co., Ltd. mainly produces spiral seam submerged-arc welded pipe on both sides, there are two spiral submerged arc welded pipe production line on both sides, the annual production capacity of more than 80,000 tons. and has passed the quality system certification. company except has professional supporting of production device outside, also built has independent of physico-chemical detection laboratory, and welding test room (detection Center distribution has stretching, and impact, and metallographic, and hardness, and and chemical analysis and corresponding of inspection personnel), perfect has test inspection sequence, while production line Shang used has advanced of production, and detection device, as x-ray real-time imaging system, and magnetic powder testing instrument, and online digital ultrasonic testing and the digital portable ultrasonic testing instrument, and "Lincoln" welding machine, and wall thick measurement instrument, and machinery slope mouth machine, and hydraulic test machine Recorder, pressure test of critical equipment, such as online, and a team of professional operation management and technical personnel for our to provide high quality of spiral steel pipes provides a reliable guarantee. to ensure that steel quality to meet the domestic and international advanced level.  

company spirit of "customer-centric, market-oriented, through continuous improvement and meet customer demand," the purpose, providing our customers with quality service.

products features and uses: I company production of spiral buried arc welding steel pipe are used duplex automatically buried arc welding technology, products has bearing pressure high, and weight light, and size accurate, and installed convenient, and specifications complete, advantages, was widely for oil, and natural gas, and gas, and water supply, and chemical, and power, engineering, also can for building structure, bridge widget and foundation piling, engineering.