HUITONG.Established in 2003, HUITONG currently employs over 1,000 staff members. The company specializes in manufacturing hydraulic pillar tubes, marine tubes, boiler tubes, and half-shaft sleeves. It operates five advanced hot-rolled seamless steel pipe production lines, four cold-drawn seamless steel pipe production lines, and 30 precision-rolled seamless steel pipe production units. and three heat treatment lines. With an annual production capacity of 850,000 tons of seamless steel pipes in various specifications and materials, our products are widely used in petroleum, power, chemical, coal, and machinery industries. They are sold in over a hundred major and medium-sized cities across China and exported to countries including India, Thailand, Vietnam, Iran, Turkey, Brazil, and Egypt. The company has obtained multiple third-party certifications including ISO 9001 Quality Management System Certification, American Petroleum Institute (API) 5CT and 5L certifications, Special Equipment Manufacturing License, and Bureau Veritas (BV) certification. Key products encompass hydraulic pillar pipes, marine pipes, boiler pipes, and half-shaft sleeve products.