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Qingdao Puhua Heavy Industry Group Co., Ltd. (the parent company) was established in 2006 and is located in the Marine Equipment Industrial Park in Qingdao's West Coast New Area. It covers an area of approximately 50, 000 square meters. The group has two main subsidiaries: Qingdao Dongjiu Shipbuilding Co., Ltd. And Qingdao Puhua Heavy Industry Machinery Co., Ltd. It owns three national high-tech enterprises: Dongjiu Shipbuilding, Puhua Heavy Industry Machinery, and Zhiling Machinery Equipment. It is a modern enterprise integrating R&D, manufacturing, and sales. Its main products are divided into three categories: Yachts and ships, intelligent equipment, and shot blasting machines. With 16 years of experience in international market development, its products serve 105 countries and regions worldwide.  In 2015, it was designated as a Qingdao Enterprise Technology Center.  In 2019, the group invested in the construction of Puhua Intelligent Manufacturing Park, a manufacturing and R&D base.  In 2019, it was designated a key project enterprise in the West Coast New Area.  In 2020, it was designated a key project enterprise in Qingdao.  In 2020, it was included in the first batch of high-end equipment projects for major projects in the transformation of old and new kinetic energy in Shandong Province. In 2022, it was rated as a specialized, sophisticated and innovative enterprise in Shandong Province.

Ningbo QS Machinery Inc. Started as a professional machining workshop, providing casting design and machining. In order to improve our general strength, and also provide more and better service and products for our customers, in 2006, we established a casting foundry - Fenghua TY Precision Casting Factory. Now QS Machinery has bloomed into a company which owns abundant technical advantages and rich experiences, and specializes in providing integrated service and products, such as castings design, casting production, casting machining, surface treatment, assembly, as well as export service for Steel Casting, Investment Casting, Lost Wax Casting, Precision Casting, Steel Cast Parts, Casting Foundry, Construction Machinery Parts, Steel Foundry, Cross Coupling Protector, Agricultural Machinery Parts.

Anhui Yaohai Steel Structure Construction Group is a comprehensive enterprise integrating architectural design, steel structure production and installation, general contracting for building construction, and new energy vehicle city development. The group owns several subsidiaries, including Anhui Yaohai Steel Structure Construction Co., Ltd., Hefei Yaohai Steel Structure Construction Engineering Co., Ltd., and Hefei Yaohai New Energy Co., Ltd.

Handan Zhengda Steel Pipe Group Co., Ltd. (for short: Zhengda steel pipe, abbreviation: ZDP)which was established in 2005. ZDP is honored as"National High-Tech Enterprise", "National Trustworthy Enterprise", "National Pilot Enterprise for Integration of Information Tech and Industrialization" "National Green Factory", "National Intellectual Property Advantage Enterprise", "National Top 500 Manufacturing Enterprise", " National Top 500 Private Enterprise", "China Top 500 Brand", "Beijing- Tianjin-Hebei Region Top 100 Enterprise", "Hebei Top 100 Enterprise", "Leading Enterprise of Hebei Industrial Cluster", " National Top 30 Benchmark Private Enterprise for Cultural Construction". Dealing with the production and sale of ERW steel pipe, galvanized steel pipe, SSAW steel pipe, GI and black square and rectangular steel pipe, steel -plastic composite pipe, ZDP has become a modern comprehensive enterprise that focuses on manufacturing and sales, integrating science, industry, and trade.

Qingdao Ruigang Heavy Industry Co., Ltd (hereafter referred as Ruigang) is a national high-tech enterprise specialized in design, manufacture and installation of steel structure buildings. Ruigang is located in the West Coast New District of Qingdao, about 30 kilometers away from Qingdao Port, covering an area of over 30, 000 square, and has around 115 employees.

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Hebei Haihong construction equipment Co., Ltd specializes in producing steel supports, scaffolding and spring clamp for more than 10 years. These products are sell to all over the world. The company is located at No. 9, xingye street, xibacetun village, hecheng street, xian county, cangzhou city, hebei province. It enjoys a superior geographical location. The factory covers an area of 10000 square meters, with an annual production capacity of over 15, 000 tons and has exported to many countries.

Established on November 13, 2013, Hengshui Hongxiang Bridge Engineering Materials Technology Co., Ltd. is located in the Industrial Park of Qingliandian Town, Hengshui City. Covering an area of 150 acres, with a registered capital of 101 million yuan and 332 professional employees, the enterprise is a modern high-tech manufacturer integrating professional R&D, standardized production, global sales, on-site installation and cross-border import and export trade. With more than ten years of focused development in road and bridge engineering supporting materials, the company strictly adheres to the high-end and standardized development orientation of Made in China. It has actively facilitated domestic substitution and independent technological upgrading for China's bridge bearing and expansion joint industry, fundamentally solving historic industry pain points including overseas reliance for high-end products, long delivery cycles and high procurement costs. Backed by profound technological accumulation and a complete standardized production management system, the company has developed into a benchmark enterprise in China's engineering rubber, plastic and bridge supporting material industry.

Cangzhou Zhuotai Greenhouse Equipment Manufacturing Co., Ltd. Was established in 2009 and is located in the Botou Economic Development Zone within the Beijing-Tianjin-Hebei Economic Circle, with convenient transportation and strong manufacturing advantages.

Qingdao Gemsun Steel Structure Co., Ltd is a large scale professional steel structure company integrates the designing, production and installation.

Jiangsu Runtai Sealant industry Co., Ltd, established in 2001, is dedicated to becoming the top partner inthe sealant industry, Guided by the principles of credit management, brand reputation. Ecologicaenvironmental protection, and offering high - quality products at competitive prices, we strive forexcellence.

Henan Canglong Steel Structure Engineering Co., Ltd. is an one- stop supplier specializing in steel structure designing, manufacturing, transporting and installing well known around the world.

Qingdao Xinguangzheng Fancan Construction Co., Ltd. is a subsidiary of Qingdao Xinguangzheng Steel Structure Co., Ltd., a leading steel structure company in China. The company has obtained multiple certifications such as AISC, CE, and Russian standards. With a total staff of over 1, 200 people, the company is dedicated to the design, production, and installation of steel structure workshops, multi-story buildings, bridges, industrial parks, automatic chicken house etc. Currently, the company exports to more than 120 countries and established long-term cooperative relationships with many customers and regions

Established in 2001, Weizhengheng Group covers an area of 480, 000 square meters and has 10 branches, with more than

Wuxi Reliable Is a Scaffolding and Formwork Manufacturer and Exporter in China, Located in Wuxi, China.

Founded in 2010, Sokun is a leading OEM fastener manufacturing, plating/finishing, and industrial production company. We are dedicated to providing high-quality fasteners at competitive prices to customers worldwide. With over 11 years of experience in manufacturing a full range of fasteners-including stainless steel, galvanized, and zinc options-we combine industry expertise with state-of-the-art facilities to deliver products that exceed customer expectations. Sokun is equipped with an R&D department, an in-house design team, and a warehouse stocking location, ensuring we can meet your demands efficiently.

We are a large comprehensive state-owned company combining industrial products research and manufacture, steel structure and equipment producing, general contracting service for industrial system integration.

Huazhou Heavy Industry Group was established in 2009, with its headquarters located in Shenyang Economic and Technological Development Zone and its production base in Zhangwu Economic and Technological Development Zone, covering a total area of 300, 000 square meters. It is a highly influential enterprise in the fields of construction engineering and equipment manufacturing. The company focuses on core business sectors such as large-scale steel structure projects, bridge engineering, thermal power equipment manufacturing, and the research and development of new metal plates. As a modern enterprise, it holds national Class I qualification, is recognized as a national high-tech enterprise, a specialized and innovative enterprise, an enterprise technology center, a national green factory, and a gazelle enterprise. The company also owns multiple invention patents and is a member of the Liaoning Provincial Industry-Academia-Research Alliance, the Liaoning Provincial Civil Engineering and Architecture Society Standard Committee, and the China Steel Structure Association. It has also participated in the formulation of several national technical standards.

Qingdao Zhiniao Investment Development Co., Ltd. Was established on August 20, 2024, with Liu Jiqing as the legal representative. The registered capital is 10 million yuan, and the unified social credit code is 91370212MADWRHWD39. The registered address of the enterprise is Room 604, No. 182-6 Haier Road, Laoshan District, Qingdao City, Shandong Province. The company belongs to the business service industry and its business scope includes: General projects: Engaging in investment activities with its own funds; Sales of mechanical and electrical equipment; Manufacturing of mechanical and electrical equipment; Sales of mechanical equipment; Mechanical equipment research and development; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of specialized packaging equipment; Sales of specialized packaging equipment; Installation services for ordinary mechanical equipment; Manufacturing of specialized equipment for plastic processing; Sales of specialized equipment for plastic processing; Sales of household appliances; Home appliance installation services; Manufacturing of specialized equipment for agricultural and sideline food processing; Sales of specialized equipment for agricultural and sideline food processing; Manufacturing of metal tools; Sales of metal tools; Manufacturing of metal daily necessities; Sales of electric food processing equipment; Manufacturing of plastic packaging boxes and containers; Manufacturing of specialized equipment for food, alcohol, beverage, and tea production; Manufacturing of experimental analytical instruments; Sales of experimental analytical instruments; Sales of feed additives; Information consulting services (excluding licensed information consulting services); Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Information technology consulting services; Manufacturing of specialized equipment for feed production; Sales of specialized equipment for feed production; Livestock machinery manufacturing; Sales of livestock machinery; Sales of electrical equipment; Manufacturing of power facilities and equipment; Sales of power facilities and equipment; Sales of plastic packaging containers, tools and products for food; Manufacturing of ordinary glass containers; Sales of labor protection equipment; Food import and export; Wholesale of edible agricultural products; Retail of edible agricultural products; Wholesale of fresh meat; Fresh meat retail; Initial processing of edible agricultural products; Import and export of goods; Technology import and export. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: Production of electric heating food processing equipment; Construction project design; Construction project construction; Production of food paper packaging and container products; Production of plastic packaging containers, tools and products for food use; Animal medicine management; Food sales. (For projects that require approval according to law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments. ). The current operating status of the enterprise is in operation.

Qingdao Eihe Steel Structure Co., Ltd. As a company specialized in designing, producing and exporting steel structures, have manufacturing shop area 50000 sqm, production capacity 3000 tons per month. What's more we get SGS international certificate, BV international certificate, American ASTM certification, Singapore National Steel specializes in processing & installation of S1 qualification and ISO9001: 2008 Quality Management system. We are ready to offer good service to our clients all the time

Tianjin Ruitong Steel Co., Ltd. Was founded in 1987 and is located in Daqiuzhuang Down, Jinghai Country, Tianjin, with employees and the total assets of up to one hundred million RMB. We are a modern private iron and steel complex that integrates production, sale, and trade together. We specialize in spiral welded pipes, high frequency straight seam welded pipes, cold-strip steel, luminous hoops, and electrician round aluminum poles, altogether five big serial products. Our company has abundant technical force, advanced production equipment, and consummation examination system. Presently we have 1 electrician round aluminum pole production line and our annual production of 9.0mm-20.0mm aluminum poles is 35, 000 tons; We have four continually cold-strip steel production lines, necessary equipment, acid pickling lines, cutting machines, and hoop annealing furnaces, and our annual production of 30-400mm width and 0.5mm thickness cold-strip steel is 80, 000 tons; We have 2 high frequency welded pipe production lines and our annual production of 16-60.3mm diameter and 0.6-2.0mm thickness straight seam thin wall welded pipes is 30, 000 tons; We have 5 two-sided buries arc spiral welded pipe production lines and our yearly production of 219-2020mm diameter and 5-16mm wall thickness spiral welded pipes are 100, 000 tons; We have 2 Luminous hoop production lines and our yearly production of 400mm width luminous hoops is 40, 000 tons. Under the business policy of good faith and quality, Tianjin Ruitong Steel Co., Ltd. Attained ISO9001 International Quality Assurance System Certification and our steel sells well in North America, Africa, Southeast Asia, and Europe. Meanwhile, we have gained a good reputation among clients. Tianjin Ruitong Steel Co., Ltd. Makes efforts to make enterprise culture with Zeitgeist and Ruitong characteristics, develop the enterprise spirit with constantly strive to become stronger, never stop struggling, and never say failure, and carry forward the value idea of making the nation stronger with steel and constructing high-quality goods base to create the world brand.

Beijing Geolight Technology Co., Ltd, which was founded in 2011, is a Hi-Tech Enterprise. It has developed a wide variety of broadband, large-dynamic, high-resolution, high-sensitivity seismometers, data loggers and data processing software through independent innovation. And its technology has reached the international advanced level. Earthquake observations have been implemented from passive natural observations to active artificial earthquake observations, from surface to borehole, and from land to sea. Our company's products are widely used in fields such as natural seismic observation, earthquake early warning, active layer monitoring, national security, petroleum exploration, fissure monitoring, geological survey, dam monitoring, reservoir monitoring, coal mine monitoring, railway early warning, and high-rise building structure monitoring, etc. Based on the domestic market, its products are exported to 40 countries and regions including the United States, Japan, Canada, Russia and Indonesia.

Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.

Building a Sturdy Future, Connecting Global Opportunities - Your Comprehensive Metal Solutions Partner

Yancheng Tianyi Sealing Material Co., Ltd. - A Trusted Global Partner for Automotive Bonding, Sealing & NVH Solutions: Tianyi is a professional manufacturer integrating R&D, production and sales, dedicated to high-quality automotive adhesives and vibration damping & noise reduction materials. With nearly 30 years of development, we have become a key partner of many well-known domestic and foreign automakers, providing full-chain solutions from product design to mass supply for OEMs and parts suppliers.

Jiangsu Zhongye Traffic Engineering Co., Ltd, funded in 2009, is a comprehensive heavy steel structure enterprise integrating design, R&D, manufacturing and project general contracting. It has a wholly-owned production base with a total investment of 350 million RMB in Zhenjiang Jingkou Industrial Park, Jiangsu Province, and two holding factories in Chengdu, Sichuan Province and Hefei, Anhui Province respectively. The production area covers an area of more than 40, 000 square meters, with a total annual capacity of nearly 40, 000 tons and annual sales of nearly 500 million RMB. The maximum single build lifting capacity is 70 tons with a height of 18 meters. As a professional solution provider of steel bridge and special-shaped steel structure products, our products cover both civil and miltary markets and are listed in the strong inspection unit of the Ministry of Army of the People's Liberation Army.

Hebei Derfon Building Materials Co., Ltd. is located in Anping, Hebei, the hometown of wire mesh in China. Now the registered capital is 3 million yuan, the company covers an area of 20, 000 square meters, construction area of 1800 square meters. There are 80 employees, including 8 technicians. The company has strong technical force, and its business scope is mainly steel springboard, galvanized steel pedal, scaffolding, foot pedal, building net and other building materials. In order to respond to the national steel and wood, save forest resources, and further adapt to market demand, the company has introduced foreign production technology to produce different specifications of hot-DIP galvanized steel springboard, hook pedal and other products, which are widely used in construction, shipbuilding, power installation, petrochemical, anti-corrosion engineering and other fields.  

In the past 16 years, Hebei sanjuyuan Steel Structure Engineering Co., Ltd. Has been committed to producing high-quality steel structure building kits, prefabricated houses, chicken houses and container houses for customers from all around the world.

Company China Steel Material & Pipe Company, together with its subsidiaries Company JinHuaTai (Tianjin) International Trade Co, Ltd, Company HuaQiYouFa Pipe Tech, and Company ZhongTian ZhongGong, are affiliated to the same group. One-stop steel material, steel pipe&plate, section steel and customization tailored to your needs more than 20 years. Our steel material supply 30 out of 32 regions in China. It has 4 offices in China, 1 international branch in Tianjin; 3factories(2 in LiaoCheng, 1 in JingHai).

We are Sichuan Haite High-Tech Co., Ltd. (Stock Code: 002023), which is specialized in precision machining, mold design and non-standard equipment manufacturing etc. With over 20 years experience. We are certified under ISO9001 Quality Management System and the GJB9001B Military Quality Management Standard, providing customers with first-class technology and services.