Wirtgen GmbH manufactures and engineers machinery for construction purposes. It develops products and technologies for cold milling, soil stabilization, cold and hot recycling, concrete paving, and surface mining. The company was founded by Reinhard Wirtgen in 1961 and is headquartered in Windhagen, Germany.

Asia Construction Technology Co., Ltd., established on 2010-08-19, Business scope includes mechanical equipment design and technology development;Installation of mechanical equipment,repair,lease;Business Consulting;Sales:Mechanical equipment and accessories,building materials,other chemical products,hardware tools,Daily necessities,electronic product,primary agricultural products;Import and export of goods or technology;Part-time car sales.Involved in licensing projects,It should be operated after obtaining the permission of the relevant department

Hofmann GmbH Maschinenfabrik und Vertrieb is a private company headquartered in Rellingen, Germany, that manufactures machinery for other specific industries. It was founded in 1952 by Walter Hofmann. Jan Hofmann and Frank Hofmann are the current co-CEOs of the firm.

Euroliner SAS, part of VINCI SA, is a company headquartered in Boulay, France. The firm provides civil engineering services.

Rohm and Haas Company is a manufacturer of speciality chemicals for end use markets such as building and construction, electronic devices, packaging, household and personal care products. Headquartered in Philadelphia, the company is organised into three business groups of Specialty Materials, Performance Materials and Electronic Materials, and also has two stand-alone businesses of Powder Coatings and Salt. Formerly a Fortune 500 Company, Rohm and Haas employs more than 17,000 people in 27 countries, with its last sales revenue reported as an independent company at US$8.9 billion. Dow Chemical Company bought Rohm and Haas for $15 billion in 2009.

Tiantu Road Industry Group Co., Ltd., established on 2006-09-06, The business scope includes road maintenance machinery, road marking machinery processing and signal lights,road sign,Production of road marking paint;Import and export of goods or technology;Sales:Equipment,Road Traffic Signal Facilities,road sign,marking material,lighting equipment,Anti-glare board,fence(network),Raised road sign.Involved in licensing projects,It should be operated after obtaining the permission of the relevant department

BOMAG GmbH manufactures heavy and light equipment for soil and asphalt compaction. The firms light equipment range covers tampers, forward and reversing direction plates, hand-guided single drum and double drum rollers, trench compactors and light tandem. The company was founded in 1957 and is headquartered in Boppard, Germany.

Chongqing Xinchuang Technology Co., Ltd., established on 1997-12-18, Business scope includes licensed projects:Traffic Engineering,Security engineering design,construction,Maintenance Level 1;Professional contracting of electronic and intelligent engineering level 2(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,The specific business items are subject to the approval documents or licenses of relevant departments)General project:Network information technology development;Electronic product development;software development;Sales:Computers and Accessories,computer network products,computer software,electronic product(Does not include electronic publications),Instrumentation,household appliances,Office Supplies,communication equipment(Without satellite ground receiving facilities),Information system integration service,Information system operation and maintenance services,Information Technology Consulting Services,Computer System Services,Big data service,Intelligent control system integration,Artificial intelligence industry application system integration service,Research and development of intelligent robots,Internet of things technology research and development,IoT application service,Internet Security Services,Security System Monitoring Services,Maintenance of transportation facilities,Intelligent robot sales,AI Hardware Sales,Information security equipment sales,Security equipment sales,Sales of signage for traffic and public administration(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Guangzhou Dawan Transportation Facilities Co., Ltd., established on 2018-08-07, Business scope includes traffic safety,Manufacture of regulatory and similar special equipment;Manufacture of metal signs for traffic and public administration;Manufacturing of Urban Rail Transit Equipment;Special machinery manufacturing with independent functions;Machinery Parts Wholesale;Mechanical parts processing;Other metal processing machinery manufacturing;Construction machinery manufacturing;Special Equipment Sales;General Machinery Sales;General machinery and equipment retail;Machinery Parts Retail;paint manufacturing(Monitor Chemicals,Excluding hazardous chemicals);paint wholesale;paint retail;Highway Engineering Construction;Traffic marking construction;traffic sign construction;Various traffic lights and system installation;road maintenance;Production of special vehicle manufacturing;Special Equipment Repair;Import and export(Excluding franchised products);Technology Import and Export;trade agent;

Dynapac AB manufactures compaction and paving equipment. Its products include rollers, pavers, light equipment, concrete equipment and submersible pumps. The firm provides products for the road-building and construction markets. The company was founded in 1934 and is headquartered in Nacka, Sweden.

Poong Jeong Industrial Co., Ltd., part of Seton House Group Ltd., is a company headquartered in the South Korea. The firm manufactures rear vision systems.

Anhui Tianlu Highway and Bridge Maintenance Co., Ltd., established on 2003-04-02, Business scope includes highway,bridge maintenance,repair,consultation service;road protection,greening,Road foundation reinforcement engineering construction;Green flower box production,Sales and installation;Highway signs at all levels,Marking,isolation barrier,fence,Anti-glare board production,construction,Installation and sales;Active Luminous Signage Production,Installation and sales;Production and sales of road marking paint;Building Waterproof,Urban road lighting engineering construction;floor construction;Electronic monitoring rod,Production of street light poles,construction,Equipment installation and sales;lamps,Research and development of high and low voltage switchgear,Production,Installation and sales;steel,cement,Stone Sales;Production and sales of stone lighting products;cement components,Stone look paver brick,stone look curb,Permeable brick,Production and sales of permeable concrete and cement building materials;Imitation stone brightening floor tiles,Production and sales of curbstones;Production of Modular Blocks,Sales and technical service.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Tianhua Transportation Construction Group Co., Ltd., established on 2017-12-01, Business scope includes road marking,Logo signs,Wave guardrail,Anti-glare board,Construction and installation of urban isolation guardrail;traffic light,traffic signal,CCTV,security product,Logo signs,Wave guardrail,Anti-glare board,road marking material,Research and development of mechanical equipment,production and sales;Security Engineering,Intelligent road mechanical and electrical engineering,Parking lot project,Landscaping project,Municipal Engineering,Pavement subgrade engineering,bridge engineering,Building lighting project,Urban Lighting Project,Design and Construction of Weak Current Engineering;Computer System Integration Services;Development and sales of artificial intelligence systems;road snow remover,Wire and Cable,High and low voltage distribution cabinet,cement,gravel,steel,Reflective film,Sales of potting materials;Import and export of goods or technology;Traffic Information Consulting Service;Steel structure processing,Install;Earthwork construction;Construction labor subcontracting.

Chaoyang Luyuan Transportation Technology Co., Ltd., established on 2019-01-16, Business scope includes computer system integration research and development,Sales;Road marking machinery and road surface maintenance machinery processing;signal light,road sign,road marking paint,Electric heating unit,Production of traffic safety facilities and equipment;Equipment,Road Traffic Signal Facilities,road sign,marking material,lighting equipment,fence(network)Sales;road marking,the sign,isolation barrier,fence(network)installation of transportation facilities;Import and export;Technology Import and Export.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments.)

Chengdu Songchuan Metal Materials Co., Ltd., established on 2014-03-27, Business scope includes general items:Metal material manufacturing;Steel calendering;Manufacturing of hardware products;Fabrication of Metal Structures;Manufacturing of metal fittings for construction;Sales of building materials;Chemical product sales(No licensed chemical products)(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).licensed items:Various construction activities;General contracting of housing construction and municipal infrastructure projects;Technology Import and Export;Import and export;road freight transport(Does not contain dangerous goods)(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,The specific business items are subject to the approval documents or licenses of relevant departments).

CCCC Highway Maintenance Engineering Technology Co., Ltd., established on 2010-03-04, Business scope includes road maintenance engineering technology development,Technical Services;Engineering survey and design;Construction Project Management;Construction General Contracting;sale of building materials,Equipment,electronic product;Highway maintenance technical training;urban landscaping;Environmental Protection Monitoring.(Market entities independently choose business projects in accordance with the law,Carry out business activities;Items subject to approval by law,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the industrial policies of the state and this city.)

Shanghai Jinao Environmental Engineering Co., Ltd., established on 2004-07-30, Business scope includes general items:Sales of building materials;Chemical product sales(No licensed chemical products);Machinery sales;Sales of power electronic components;Information Consulting Service(Not including licensing information consulting services);Machinery and Equipment Leasing;car park service;Landscaping engineering construction.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license) licensed items:Construction engineering design;Construction Engineering Construction.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,The specific business items are subject to the approval documents or licenses of relevant departments)

Jiangsu Gaoqiang Construction Engineering Co., Ltd., established on 2000-05-12, Business scope includes highway engineering general contracting,General Contracting of Municipal Public Works,Landscaping construction,Highway maintenance engineering professional contracting,Construction machinery and equipment rental,Highway traffic engineering professional contracting,Highway subgrade engineering professional contracting,Highway and bridge engineering professional contracting,Highway pavement engineering professional contracting,Earthwork construction,Water conservancy and hydropower project construction general contracting,Construction general contracting,City and road lighting engineering professional contracting,Professional contracting of river and lake improvement projects,Environmental engineering professional contracting,General contracting of port channel engineering construction,Special engineering professional contracting,cement stabilized gravel,Sand and gravel production,Sales,the road,Subgrade material processing,Sales,cement products,Sales of building materials.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments) licensed items:Catering Services(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Specific business projects are subject to approval results)

Shanghai Yangdao Intelligent Transportation Facilities Co., Ltd., established on 2004-11-24, Business scope includes benchmarking,signage,Marking,crash barrier,isolation barrier,Signal light production, production, installation and construction services,Design and production agency to publish various advertisements,Corporate Image Planning,sentry box,bus shelter,Steel structure production,Decoration project,steel,building materials,Stationery sales,Highway traffic construction engineering professional construction,Mechanical and electrical installation construction engineering construction,Public safety technology prevention engineering design,construction,repair,Engaged in technology development in the field of security,technology transfer,technical consulting,Technical Services,Engaged in the import and export of goods and technology,Computer Information System Integration Services,Data analysis service. [Items subject to approval by law,Business activities can only be carried out after approval by relevant departments]

Nanjing Xinliang Transportation Facilities Co., Ltd., established on 2001-04-12, Business scope includes road signs,Marking,fence,isolation barrier,Production of anti-glare panels and other traffic safety facilities,Installation and construction;Technical consulting services for traffic safety facilities;Production of highway marking materials,Sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)