Hebei Haoyuan Machinery Manufacturing Co., Ltd.Located in the Innovation Industrial Park of Wangshu Town, Yanshan County, with convenient access to the Beijing-Hongzhou Expressway, Beijing-Shantou Expressway, and National Highway 205. Our company is a major production and processing enterprise specializing in the manufacture of steel bar splicing sleeves and rib-removing and thread-winding machines. We boast advanced production equipment, laboratories, and testing machines, with a strong technical team and well-rounded production and inspection methods.
Mainly produces steel sleeve, steel connection sleeve, straight thread sleeve, sleeve:
1. Crafted from international 45# steel with special manufacturing techniques, offering high dimensional accuracy and reliable quality.
2. Connectable to ribbed reinforcing steel of HRB335, HRB400, and HRB500 grades with diameters from Ф14 to Ф40 mm.
3. Tested and certified by the National Construction Engineering Quality Supervision and Inspection Center, meeting the I-grade joint standard of JGJ107-2010.
4. The three series of standard, male and female thread, and reducing types, with over a hundred varieties, can meet the connection needs of steel bars with the same or different diameters, adjustable lengths, and directions in horizontal, vertical, and diagonal parts of building structures.
Our company has 21 technical staff and 93 general employees, forming a large-scale, professional production line and completing many major national projects. We regard our customers as God and quality as life, and have been awarded the "Qualified Unit for Quality Management" by the National Industrial Department. Our sleeve specifications are complete, quality is excellent, and we guarantee that there are no oversized or undersized sleeves. Our management system strictly adheres to the ISO9001 standard, ensuring that substandard products do not enter the market and tarnish our company's reputation.
Our factory, through arduous entrepreneurship and production practice, has accumulated rich experience. Our products feature attractive appearance, high tensile strength, and stable mechanical properties. All products are made with superior 45# steel, ensuring high-quality standards. They are widely畅销 and highly praised by customers. The company adheres to the宗旨 of "Technology as a guide, people-oriented, quality first, and诚信 business." We practice scientific management and meticulous manufacturing. Welcome both new and old friends to visit and discuss business, fostering joint development. Our products are extensively used in industries such as electronics, electricity, nuclear power, petrochemicals, metallurgy, instruments, aerospace, aviation, shipping, docks, construction, food, transportation, and heating pipelines. We offer various types of high-quality steel sleeve couplings, steel connection sleeves, straight thread sleeves, and sleeves. Our products have been exported to the Middle East, Southeast Asia, and other regions multiple times.
Hebei Haoyuan Machinery Manufacturing Co., Ltd. adheres to the business philosophy that "product quality is the lifeblood of the company and customer satisfaction is our god." The company continues to increase investment, further enhancing its equipment level and market competitiveness. We track the entire process from research and development, design, production, to sales, providing reliable products with excellent service and affordable prices.

Rebar sleeves are categorized into: straight thread sleeves, tapered sleeves, male and female thread sleeves, Grade 4 steel sleeves, upsetting sleeves, welding sleeves, cold extrusion sleeves, threaded steel bar sleeves, etc. Rebar sleeves are also known as straight thread rebar connectors or rebar couplers. The specifications of straight thread rebar sleeves are φ12, φ14, φ16, φ18, φ20, φ22, φ25, φ28, φ32, φ36, φ40. Common specifications include φ16-φ32 straight thread sleeves, Grade 4 steel sleeves, and upsetting sleeves, which are differentiated by steel stamps for external diameter and length. The internal threads are right-hand threads.

Welcome to inquire, all customers!