Hebei Haoyuan Machinery Manufacturing Co., Ltd.Located in the Innovation Industrial Park of Wangshu Town, Yanshan County, adjacent to the Jinghuang and Jingshen Expressways, and the National Highway 205, transportation is convenient. Our company is a large-scale production and processing enterprise specializing in the production of steel bar coupling sleeves and剥肋滚丝机 (rib removal and rolling machines), equipped with advanced production equipment, laboratories, and testing machines. We have a strong technical force and well-rounded production processes and testing methods.
Mainly produces rebar sleeve, rebar coupling sleeve, straight thread sleeve, sleeve:
1. Made of international 45# steel with special manufacturing techniques, offering high dimensional accuracy and reliable quality.
2. Compatible with ribbed rebar in HRB335, HRB400, and HRB500 grades with diameters ranging from Ф14 to Ф40 mm.
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 and female thread, and reducing types, with over a hundred varieties to meet the requirements for connecting rebar with the same or different diameters and adjustable lengths and directions in horizontal, vertical, and diagonal sections of building structures.
Our company boasts 21 technical staff and 93 regular employees, forming a large-scale, specialized production line and completing numerous major projects across various countries. We regard our customers as gods and quality as life, having been awarded the "Quality Management Standard Unit" by the National Industry Department. We offer a complete range of sleeve specifications with excellent quality, ensuring no sleeve has size discrepancies. Our management system strictly adheres to the ISO9001 standard, eliminating substandard products from entering the market and affecting 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 sold and highly praised by customers. The company adheres to the principle of "technology as the 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, electricity, nuclear power, petrochemicals, metallurgy, instruments, aerospace, aviation, ships, 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 "Quality is the lifeblood of the company, and customers are our gods." 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. We provide reliable products to customers with excellent service and affordable prices.

Rebar sleeves are categorized into: straight thread sleeves, variable diameter sleeves, left and right hand thread sleeves, Grade 4 steel sleeves, upsetting sleeves, welding sleeves, cold extrusion sleeves, threaded steel sleeve, 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 are φ16-φ32 straight thread sleeves, Grade 4 steel sleeves, and upsetting sleeves, which are distinguished by steel engravings on the outer diameter and length. The internal threads are right-hand threads.

Welcome to inquire with us!