Hebei Haoyuan Machinery Manufacturing Co., Ltd.Located in the Innovation Industrial Park of Wangshu Town, Yanshan County, adjacent to the Beijing-Hong Kong-Macau Expressway, Beijing-Shantou Expressway, and 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 machines. We boast advanced production equipment, laboratories, and testing machines, with a strong technical force and comprehensive production processes and testing methods.
Mainly produces steel bar sleeves, steel bar connection sleeves, straight thread sleeves, sleeves:
1. Crafted from international 45# steel with special manufacturing techniques, offering high dimensional accuracy and reliable quality.
2. Connectable to ribbed rebar in 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. Our three main series include standard, male/female thread, and reducing types, with over a hundred varieties to meet the connection needs of steel bars for horizontal, vertical, and diagonal sections in building structures, as well as for adjustable lengths and directions.
Our company boasts 21 technical personnel and 93 regular staff, forming a large-scale, highly professional production line and completing numerous major projects for various countries. We regard our customers as gods and quality as life, and have been awarded the "Qualified Unit for Quality Management" by the National Industrial Department. Our sleeve specifications are comprehensive, with excellent quality and guaranteed to have no oversized or undersized sleeves. Our management system strictly adheres to the ISO9001 standard, ensuring that non-compliant products are not allowed into the market to affect 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畅销 and highly praised by customers. The company始终坚持 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 and discuss business opportunities for joint development. Our products are widely 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 has further increased its investment to enhance its equipment level, boost market competitiveness, and meticulously tracks the entire process from research and development, design, production, to sales. With excellent service and affordable prices, we provide customers with reliable products that meet their needs.

Rebar couplers are categorized into: straight thread couplers, reducing couplers, reverse thread couplers, Grade 4 steel couplers, upsetting couplers, welded couplers, cold extrusion couplers, and threaded rebar couplers, etc. Rebar couplers are also known as straight thread rebar sleeves or rebar connectors. The specifications of straight thread rebar couplers are φ12, φ14, φ16, φ18, φ20, φ22, φ25, φ28, φ32, φ36, φ40. The commonly used specifications are φ16-φ32 straight thread couplers, Grade 4 steel couplers, and upsetting couplers, which are distinguished by the outer steel stamp. The outer diameter and length vary, with the inner thread being a right-hand thread.

Welcome to inquire from all customers!