Hebei Haoyuan Machinery Manufacturing Co., Ltd.Located in the Innovation Industrial Park of Wangshu Town, Yanshan County, adjacent to the Jinghuahuang and Jingshang Expressways and the National Highway 205, transportation is convenient. Our company is a large-scale production and processing enterprise specializing in the manufacturing of steel bar couplers and剥肋滚丝机 stripping and rolling machines. We boast advanced production equipment, laboratories, and testing machines, with strong technical capabilities and well-rounded processes and testing methods.
Primarily produce steel sleeve, steel connection sleeve, straight thread sleeve, sleeve:
1. Crafted from international 45# steel with a special manufacturing process, offering high dimensional accuracy and reliable quality.
2. Compatible with ribbed reinforcing bars of HRB335, HRB400, and HRB500 grades with diameters from Ф14 to Ф40mm.
3. Inspected and certified by the National Construction Engineering Quality Supervision and Inspection Center, meeting the I-grade joint standard as per JGJ107-2010.
4. The three main series include standard, male/female thread, and reducing types, with over a hundred varieties to meet the connection needs of reinforcing bars for horizontal, vertical, and diagonal sections in building structures, including same diameter, reducing diameter, adjustable length, and direction.
Our company has 21 technical staff and 93 regular employees, forming a production line with a professional scale and considerable production capacity, and has completed many major national engineering projects. We regard our customers as gods and quality as life, and have been awarded the "Quality Management Standard Unit" by the National Industrial Department. We offer a complete range of sleeve specifications, excellent quality, and 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 affect our company's reputation.
Our factory, through arduous entrepreneurship and production experience, has accumulated rich expertise. Our products feature attractive appearance, high tensile strength, and stable mechanical properties. All products are made from superior 45# steel, ensuring high-quality standards. They are well-received and widely sold across various regions. The company adheres to the principle 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 opportunities for joint development. Our products are widely used in industries such as electronics, power, nuclear power, petrochemicals, metallurgy, instruments, aerospace, aviation, shipping, ports, 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 of "Quality is the lifeblood of the company, and customers are our gods." The company has further increased investment to enhance its equipment level, boost market competitiveness, and ensure the entire process from research and development, design, production, to sales is meticulously tracked. With excellent service and affordable prices, we provide customers with reliable products that meet their needs.

Rebar sleeve types: straight thread sleeve, reducing sleeve, reverse thread sleeve, Grade 4 steel sleeve, upsetting sleeve, welding sleeve, cold extrusion sleeve, threaded bar sleeve, etc. Rebar sleeves are also known as straight thread connection rebar tubes or rebar couplers. Specifications of straight thread rebar sleeves: 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, differentiated by steel stamp on the outer diameter and varying lengths; the internal threads are right-hand threads.

Welcome to inquire from all customers!