Hengyang Hongda Precision Manufacturing Co., Ltd
Hengyang Hongda Precision Manufacturing Co., Ltd, was founded in August 2018, broke ground in July 2019, is a professional precision manufacturing enterprise of research, development,production and business of carbon and alloy structural seamless steel pipes. The annual design capacity is 60,000 tons (including 30,000 tons of small-diameter seamless steel pipe and 30,000 tons of precision rolling steel pipe) of products Φ10 ~ 180×1 ~15mm. Main products include seamless steel tube for liquid transmission, special-shaped steel tube, structural seamless steel tube, low, medium and high pressure boiler tube, carbon and carbon manganese steel seamless tube for ships, petroleum cracking seamless steel pipe,seamless steel pipe for oil and natural gas transportation, seamless steel pipe used in high pressure chemical fertilizer equipment, seamless steel tube for high pressure gas cylinders, seamless steel tube for hydraulic cylinder,seamless steel tube used in automobile, etc. The products’ variety is rich, and specification is complete, widely used in power, boilers, ships, oil, natural gas,automobile,machinery,instrumentation, food, medicine and other industries.
The company always adhere to the“quality first, customer first,strive for perfection, scale new heights, continuous improvement”, advocate in the competition “quality for survival,quality for development, quality to expand space” business philosophy.
The company attaches great importance to the shaping of corporate cultural environment, adhere to the scientific development of “man-made environment, environment education”, pay attention to safety, environmental protection, with new equipment, new technology and new management ideas, to create a safe, clean and comfortable working environment for employees, so that employees“happy work, happy production”. It always adhere to the environmental protection concept of “clear water and green mountains are golden hills and silver mountains”, and build into a new high-tech enterprise with sustainable development.
The company has always implemented GB/T19001, GB/T24001, GB/T45001 quality, environment, occupational health and safety management standards as a long-term strategic decision,implemented human culture management and full participation,strengthened internal management, carried forward the spirit of team cooperation, and built the enterprise into a high standard, low consumption, heavy safety green modern enterprise.
Hengyang Hongda Special Steel Tube Co.,Ltd
Hengyang Hongda Special Steel Tube Co.,Ltd is founded in August 2006,locates in historical and cultural city of Hengyang which is famous for Hengshan,one of China’s five great mountains.The geographical location of our factory is execllent and the transport condition is convenient.We are a professional manufacturer of large-diameter seamless pipes of Φ323mm and above.We have obtained Manufacture License of Special Equipment issued by the General Administration of Quality Supervision,Inspection and Quarantine of the People’s Republic of China ,ISO9001 Quality Management System Certificate, ISO14001 Environmental Management System Certificate and Certificate of API5L, API5CT.Our main products include structural pipe,fluid transportation pipe,line pipe,tubing,casing and coupling,tube for gas cylinder,high pressure boiler tube,seamless steel tube in low temperature,ferrite alloy seamless steel tube in high temperature,etc,We have equipped six sets of hot-expanding pipe production unit, a set of induction heating heat treatment line,two sets of 12-channel ultrasonic flaw detector,one set of antomatic eddy current flaw detector, one set of automatic eddy current and ultrasonic flaw detector of 32-channels of SST-720 type,one set of 1000T hydraulic pressure testing machine and other equipments for production and testing.Large diameter,thin wall thickness and long length are the advantages of our products,of which sizes of OD Φ323mm~Φ720mm,WT 6.35mm~40mm and Len 6m~14m.Tests on our products following certain standards are conducted by national certified laboratories and relevant reports will be issued together.We are also capable of performing HIC/SSC test on tubes for sour service.
We have established a sound, effective and standardized production management system,stick to our quality policy of“Quality first,customer first. Excelsior and be willing to challenge ourselves.Improve the quality control system continuously.”Our tubes have been sold to countries like the United States of America,Canada,UK,Australia,Brazil,Argentina,South Korea,Kuwait and Libya and received wide acclaim from customers because of stable and reliable quality.We are devoted to improving customer satisfaction and providing products of complete specification to various domestic and international engineering companies, and have established a good brand image.
We will always uphold the marketing concept of “Building brand with credibility and creating values for customers”, adhere to continuously optimizing the product structure,pay attention to technological innovation,sincerely cooperate,seek common development and create a better future with our new and old customers by our advanced manufacturing technology,perfect quality assurance system and first-class after-sales service.