Compound plastic-coated steel pipe manufacturers:
1. Youfa Steel Pipe
A professional manufacturer of welded steel pipes with strong comprehensive strength in China, with 178 authorized patented technologies , participated in the drafting/revision of 18 national/industry standards, and formed 4 production bases.
Produces and sells straight seam welded pipes, hot-dip galvanized steel pipes, square and rectangular steel pipes, hot-dip galvanized square and rectangular steel pipes, plastic-lined composite steel pipes, plastic-coated composite steel pipes, spiral welded pipes, stainless steel pipes and other products A large-scale enterprise group. (Professional evaluation by CN10/CNPP brand researchers)
2. KINGLAND
Founded in 1981, it is mainly engaged in the research and development and manufacturing of high-grade petroleum industry pipelines and new generation green civil pipelines A large-scale high-tech listed company, it has more than 100 authorized patents and participated in the formulation and revision of 25 national and industry standards.
As a large-scale comprehensive pipeline production and scientific research base, it has an annual production capacity of 1.8 million tons of oil and gas and other types of pipelines, and has eight series of products with hundreds of specifications and varieties.
3. Juncheng Pipeline
Founded in 2010, it is a subsidiary of Beijing Juncheng Industrial Investment Group, focusing on hot-dip galvanized steel pipes, straight seam welded pipes, square and rectangular steel pipes, spiral steel pipes, A high-tech enterprise manufacturing steel-plastic composite pipes and other pipe products, and the developer of steel pipe standards in many countries.
It has more than 100 invention patents and a production capacity of more than 5 million tons. It is committed to building an industrial manufacturing enterprise that is "dedicated to key projects and will compensate you 10,000 yuan if you miss one."
4. LIDA Steel Pipe
Founded in 1992, it is a large-scale high-tech enterprise specializing in the production of straight seam high-frequency welded pipes, galvanized steel pipes, and steel-plastic composite pipes. An energy steel pipe manufacturing service provider with a number of independent intellectual property rights and patents.
It has 9 high-frequency welded pipe units, 10 hot-dip galvanizing units, and 7 steel-plastic composite units. It has an annual output of 800,000 tons of straight seam high-frequency welded pipes, 700,000 tons of hot-dip galvanized steel pipes, and The production capacity of plastic composite pipe is 70,000 tons.
5. Huaqi
Founded in 1993, it is affiliated to Jinghua Rigang Holdings Group, a high-tech enterprise, and a large-scale enterprise integrating steel pipe R&D, design, manufacturing, sales and service. steel pipe manufacturing company.
The main products are Jinghua and Huaqi brand series steel pipes, involving more than ten pipe types such as welded steel pipes, hot-dip galvanized steel pipes, spiral seam submerged arc welded steel pipes, etc., with an annual production and sales of 2.3 million tons of various steel pipes, and the products are best-selling More than 60 countries and regions in Asia, Europe and the United States.