Product Advantages: Embrace the future of construction with Hainan Zirunda International Trade Co., Ltd's pioneering Cold Extrusion Sleeve Rebar Splice Couplers. These state-of-the-art couplers are crafted to transform construction projects by providing unmatched durability and efficiency. At the cutting edge of construction technology, our range of Rebar Couplers, Splicing, Connectors, Thread Couplers, Steel Splicing, Rebar Splicing, and Sleeves are engineered with precision to deliver superior performance and unwavering reliability.
1. Expertly fashioned from the premium 20# seamless steel pipe, these couplers set a revolutionary standard for strength and endurance. They are designed to easily withstand the test of time and endure the most challenging construction environments.
2. Our steadfast dedication to maintaining pure national standards is evident. Every sleeve undergoes an exhaustive inspection and certification regimen, accompanied by detailed reports, comprehensive material lists, and genuine certificates, ensuring unparalleled quality and absolute confidence.
3. We offer an extensive array of specifications and models, backed by a substantial inventory to ensure speedy delivery. Standard models are shipped on the same day, providing you with prompt and dependable service.
4. Our esteemed partnerships with industry leaders like China Construction, China Railway, and MCC highlight our profound expertise and the significant trust we've earned over the years.



Diameter |
Length |
Outside diameter |
pipe thickness |
Bore size |
Φ14 |
95/ |
28 |
4.5 |
23.5 |
Φ16 |
95/110 |
30 |
4.5 |
25.5 |
Φ18 |
118/125 |
34 |
5.7 |
28.3 |
Φ20 |
120/130 |
36 |
6 |
30 |
Φ22 |
132/140 |
40 |
6.8 |
33.2 |
Φ25 |
150/170 |
45 |
7.5 |
37.5 |
Φ28 |
168/190 |
50 |
8 |
42 |
Φ32 |
192/220 |
55 |
9 |
46 |
Φ36 |
220/ |
63 |
10 |
53 |
Φ40 |
250/ |
70 |
11 |
59 |


1. With over 20 years of unparalleled factory production expertise, we set the highest standard for excellence in the industry.
2. Our state-of-the-art production equipment epitomizes technological advancement, ensuring that each product not only meets but exceeds industry standards with exceptional quality.
3. Benefit from smooth and efficient transactions with our strategically refined logistics solutions, designed to ensure your dealings are seamless and completely stress-free.
4. Our rigorous quality control procedures are unmatched, guaranteeing that only top-tier products are delivered to our valued clients.
5. We offer a broad array of flexible and convenient payment options, tailored to provide you with a seamless purchasing experience.
6. With a vast inventory and a streamlined production cycle, we are ideally equipped to meet your urgent demands with unparalleled efficiency and speed.
