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Our Story

Henan Zhongjiao Road&Bridge Engineering Materials Co., Ltd is a professional enterprise that mainly produces and sells engineering materials such as prestressed anchorages, wedges, couplers, stressing equipment, ducts, strands, rubber bearings, expansion joints, etc. We provide customers with a one-stop chain service of construction materials.

The products are all qualified in national laboratories such as China’s Ministry of Railways, the Ministry of Transport, and China Academy of Building Research. The company obtained ISO9001:2015 Quality Management System Certification, ISO14001 Envoironment Manangement System Certification, ISO45001 Occupational Health and Safety Management System Certificate and China Communications Product Certification. The quality of all the products can meet the technical requirements of the national standard GB/T14370-2015, JT/T329-2010, and TB/T3193-2008 as well as the International Prestressed Concrete Association FIP (1993) standard.

Over the years, we have continued to carry out technical innovation, develop new products, and obtained many technical patents. Products are widely used in highways, bridges, railways, urban overpasses, tunnels, ports, high-rise buildings, etc.

Our Partner


Quality Certificate

  1. The qualities and all performance indexes of our products are up to the standards of GB/T14370-2015, JT/T329-2010, JT/T4-2019,  JT 391-1999, etc. The product performance indexes also meet the standards of FIP.
  2. In 2018, Zhongjiao received the ISO9001:2015 certificate issued by China Quality Certification Center.
  3. In 2017, Zhongjiao passed the product authentication by China Communications Product Certification Center (CCPC).

ISO9001 Quality Management Certificate

China Communications Product Certification

ISO14001 Environment Management System Certification

ohsas18001 occupational health and safety management system certificate

OHSAS18001 Occupational Health and Safety Management System Certificate

Numbers Speak For Themselves!

Our company was established in 2015. Although we are just starting out in the international market, we have no doubt that one day in the future our brand will be recognized all over the world, thanks to our extraordinary quality and service in the domestic market. Since the establishment of the company, the performance has been good, and the output value exceeds 100 million yuan in 2021 and 2022, and it has participated in more than 1,000 small and medium-sized projects at home and abroad.

We wish to be your first-choice one-stop post tensioning engineering materials supplier, no only do we offer you post tensioning materials with reasonable quality and price, but also provide you professional suggestions for your reference.

Factory Area
100 +
Senior Engineers
30 +
Successful Projects
1000 +

Our Workshop

Since 2018, the company’s production equipment has completed the digital transformation, and a batch of CNC sewing machines, CNC drilling machines, CNC lathes, machining centers, CNC tapping machines, and CNC heat treatment equipment has been put into use, which improves the company’s quality management. We have our own standardized laboratory, which can do mechanical experiments, hardness experiments, static load experiments, metallographic analysis, pressure damage tests, flaw detection tests, jack calibration, etc. The efficient and scientific management methods, advanced and complete testing equipment, and strict and complete quality inspection system make the ex-work qualification rate reach 100%. 

wedge hardness test
Automatic Tapping Machine
Wedge Surface Inspection
Warehouse Corner
Machining Workshop
Numerical Control Machine
CNC Machining Center

Our Service

More than 10 years of experience with good credit, professional prestressing manufacturer.

Our products are liked by market and good selling for customers. We serve for customers all over the world and the customer’s quantity keeps growing.

We have advanced production equipment and first-class quality management system, guarantee prompt delivery of all products.

We focus on developing innovative new products, we provide after-sale service on site for our customers at worldwide.

We are not only make production, but also do care about every details. We make sure the ex-work pass rate is 100%.

We do welcome OEM order with cutomer private label, meanwhile if you have good project, we will make your idea come true.


For any inquiries please email