Hebei Haoyuan Machinery Manufacturing Co., Ltd.Located in the Innovation Industrial Park of Wangshu Town, Yanshan County, adjacent to the Jinghuang and Jingshao Expressways and 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 deburring and rolling thread machines. We possess advanced production equipment, laboratories, and testing machines, with a strong technical force and comprehensive production processes and testing methods.
Primarily produce steel sleeve, steel connection sleeve, straight thread sleeve, sleeve:
1. Made from international 45# steel with special manufacturing processes, offering high dimensional accuracy and reliable quality.
2. Connectable to ribbed rebars of HRB335, HRB400, and HRB500 grades with diameters ranging 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 type, male and female thread type, and reducing type, with over a hundred varieties to meet the connection needs of reinforcing bars in horizontal, vertical, and diagonal positions within building structures, including same diameter, different diameter, adjustable length, and direction.
Our company boasts 21 technical staff and 93 general employees, forming a large-scale, specialized production line and completing numerous major national projects. We hold our customers in high regard and view quality as our lifeblood, earning us the title of "Qualified Unit for Quality Management" from the National Industrial Department. Our sleeves are available in a full range of specifications, are of excellent quality, and guarantee no mis-sized ends. 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 from superior 45# steel, ensuring high-quality standards. They are widely popular and highly praised by customers. 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 us, discuss business, and grow together. Our products are widely used in industries such as electronics, power, 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 of "product quality is the lifeblood of the company, and serving customers is the deity of the company." The company has further increased its 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, variable diameter sleeve, right-hand and left-hand thread sleeve, grade 4 steel sleeve, upsetting sleeve, welded sleeve, cold extrusion sleeve, threaded bar sleeve, etc. Rebar sleeve is also known as straight thread connection rebar tube, rebar coupler. Specifications of straight thread rebar sleeve: φ12, φ14, φ16, φ18, φ20, φ22, φ25, φ28, φ32, φ36, φ40. Common specifications are φ16-φ32 straight thread sleeves, grade 4 steel sleeves, and upsetting sleeves, which are distinguished by steel stamps on the external diameter and length. The internal threads are straight threads.

Welcome to inquire from all customers!