Cangzhou Rendezvous Pipeline Co. has two thermal expansion pipe production line thermal expansion specification: Φ219-Φ630, two large-caliber straightening machine. Large volumes of three, four automatic welding machine, roll tube specifications: Φ400mm-Φ4020mm, 8-100mm wall thickness of the coils. Processing and marketing of large-diameter pipe straight seam welded pipe length. Large-diameter seamless steel pipe. (Do testing), the company is committed to producing girth, girth welding vertical penstock and steel penstock and transformation in the traditional rolling equipment on similar types of specifications. So that the parameters of welded steel pipe equipment increased by 30% of the function, to fill the gaps in the existing traditional rolling equipment can not be produced. Material mainly Q235, Q345,20 #, 16Mn, X52, X60, etc. Product performance standards: GB / T 50205-2001, GB / T 3092-2008 GB / T9711.1 9711.2 API 5L PSL1 PSL2 GB / T13793-2008 like. Our products are widely used in petroleum, chemical, natural gas transportation, piling and urban water supply, heating, gas and other projects. My company to the quality to win the trust of customers, technology to meet the market demand, and strive to perfect, Northern steel company has advanced X-ray television industry online testing, ultrasonic flaw detection line, magnetic detection, water pressure and other comprehensive product testing equipment to undertake export length Pipe small-caliber straight seam steel 16 Mn 16 Mn high-frequency straight seam steel 16 Mn straight seam steel prices. The company was founded in 2005, is located in the Bohai Sea coast of Yanshan County Industrial Park, covers an area of ??80,000 square meters, of which construction area of ??35,000 square meters, employees 536 people, including 38 senior titles, the total assets up to 60 million yuan. My company mainly produces diameter 76mm-325mmERW straight seam welded steel pipe, diameter 351mm-1420mm large diameter LSAW steel pipe, diameter 219mm-2220mm double-sided spiral SAW pipe, wall thickness 3mm-40mm, length 6m-14m, the material Q235 , Q345B, Q195,20 #, X42-70, the implementation of standards GB / T3091-2007, GB / T9711.1-2008, SY / T5037-2007. Products are mainly used in oil, gas, natural gas, thermal power generation and other industries, the annual output of 300,000 tons. Our company introduced online detectors, X - ray detection machine, hydrostatic testing machine High-Tech. The company has passed ISO9001: 2000 quality management system certification, through the ISO14001: 2004 environmental management system certification, and also won the American Petroleum Institute API5L, API 5CT product certification, OHSAS18001: 1999 Occupational Health and Safety Management System certification for the project to provide the latest and the most beautiful. products, to provide customers with the perfect service, ideas and code of conduct is unwavering. Rendezvous will be the majority of customers and friends work together to promote, and seek common development and jointly create a happy tomorrow! 16 Mn welded steel pipe, the company's main steel, high-frequency straight seam steel pipe, welded pipe, straight seam pipe, double-sided buried arc welding straight seam steel pipe, ERW straight seam steel pipe steel pipe bridges using today's advanced roll forming technology, the electrical configuration using the German company Siemens PRC and British MENT digital DC speed control device to ensure the unit high-precision High efficiency operation reliability. Since its inception, the production of ERW Longitudinal reached the advanced international level with the industry. And adopted the ISO9001: 2000 quality management system certification. The company produced ERW Longitudinal complete specifications