Road and Bridge
Company

Zhejiang Zhongjian Road&Bridge Machinery Co.,Ltd

Rich experience in standard preparation

The national standards drafted and formulated by the Company include:

GB/T 26470-2025 General Specification for Launching Machine

GB 26469-2011 Safety Regulations for Bridge Erectors

GB/T41098-2021 Crane Safety Lifting Appliances

GB/T20863.1-2021 Grading Part 1: General

GB/T23723.5-2025 Safe Use for Lifting Appliances - Part 5: Bridge and Gantry Cranes

GB/T 4307-2025 Lifting Hooks - Terminology

GB/T 45680-2025 Wind Load Calculation for Cranes

GB/T 5974-2025 Lifting Machinery - Rings for Steel Wire Ropes

Draft and formulate the group standard of "Made in Zhejiang":

2368-2021 Truss Gantry Crane for Highway Bridge Construction

2124-2021 Double girder Truss Type Bridge Erector

Industry specifications

Zhongjian Road&Bridge

(Old plant area)

Zhejiang Zhongjian Road&Bridge Machinery Co.,Ltd

Zhejiang Zhongjian Road&Bridge Machinery Co.,Ltd. is a professional road and bridge crane company engaged in the design, manufacturing and sales of bridge erection machines, gantry cranes, bridge cranes and other lifting equipment and their accessories.

Founded in 1994,the company has a registered capital of 80 million yuan and more than 190 employees. It is a member of the National Technical Committee for Standardization of crane and a director of Zhejiang Special Equipment Safety and Energy Conservation Association.

The company has strong scientific research and development capabilities and rich experience in standard preparation. It is a well-known unit in the same industry in Zhejiang Province that has participated in the formulation and drafting of national standards. The national standards that have successively participated in the drafting and formulation include GB/T 26470-2025 General Specification for Launching Machine, GB 26469-2011 Safety Code for Launching Machine, GB/T41098-2021 Crane Safety Lifting Appliances, GB/T20863.1-2021 Grading Part 1: General, GB/T23723.5-2025 Safe Use for Lifting Appliances - Part 5: Bridge and Gantry Cranes, GB/T 4307-2025 Lifting Hooks - Terminology, GB/T 45680-2025 Wind Load Calculation for Cranes, and GB/T 5974-2025 Lifting Machinery - Rings for Steel Wire Ropes.

The standards for bridge erecting machines and gantry cranes drafted by the company as the main unit have been successfully promoted to the group standard of "Pinzibiao" in Zhejiang Province! China Construction Standard has become the standard for bridge erecting machines and gantry cranes in Zhejiang!
Mr. Tong Guozhu, chairman of the company, was selected as a member of the "National Crane Standard Committee". There are only more than 40 people in the country who have won this honor, which also gives China Construction a right to speak in the national crane industry.
The company has an old factory area and a new factory area, covering an area of 36,000 square meters and more than 500 sets (sets) of production equipment. Excellent talent reserves, advanced production lines and efficient enterprise management have improved the market share and market competitiveness of CSCEC's equipment. The company's products have a huge reputation in the industry and are highly recognized by customers at home and abroad.

Zhongjian Road&Bridge

(New plant area)