HONESTY · PRAGMATISM · INNOVATION · EFFICIENCY
SWS CONSTRUCTION
Specialized, standardized and informatized
steel structure building solutions
About Saiweisi Group
Founded in 2016 and headquartered in Jining, Shandong, SWS Group is a high-tech enterprise group integrating R&D, design, manufacturing, and construction. Its business spans a wide range of building sectors — industrial plants, office buildings, sports venues, logistics centers, and more. Guided by the philosophy of "be genuine as a person, be meticulous in work," the company is dedicated to providing customers with professional, standardized, and information-based steel structure building solutions.
As a leading enterprise in the steel structure industry, SWS holds a Grade-II General Contracting qualification for building construction, a Grade-II Specialized Contracting qualification for steel structure engineering, and specialized contracting qualifications for fire protection and building decoration works. It is certified to ISO 9001, ISO 14001, and ISO 45001, ensuring high standards and quality in its products and services. SWS has branches in Indonesia, Morocco, and Tanzania, has served more than 600 overseas clients, and markets its products in 30 countries worldwide.
Our China manufacturing base is located in the Beisu Economic Development Zone of Zoucheng, Shandong Province, with 4 light-steel lines and 1 heavy-steel line, 50,000 m² of production workshops, and an annual output of over 60,000 tons of steel structure components. It has more than 200 production staff and over 60 technical specialists. From engineering to production, we stay rigorous and pursue excellence at every step, committed to building high-quality steel structure products. We have formed strategic partnerships with world-class brands, working closely with leading owners such as BYD, CNBM, CATIC, Butler, Innolight, CSCEC, and CNNC.
Business Segments
Steel Structure Engineering
Grade II steel structure contracting. Light & heavy steel design, fabrication and erection with 60,000+ tons annual capacity.
General Contracting
Grade II general construction contracting covering plants, offices, sports venues and logistics centers.
Decoration & Curtain Wall
Grade II decoration and curtain wall contracting, plus fire protection facility engineering.
Overseas Engineering
Thai subsidiary Primapro Co., Ltd provides localized general contracting, steel structure and decoration services.
Global Network Engineering Network
Headquartered in Thailand (Primapro Co., Ltd), with a manufacturing base in Zoucheng, China, and companies in Indonesia, Morocco and Tanzania; our engineering service network spans the globe.
Our projects span 20+ countries — Zambia Air Force hangars, Beixin Building Materials (Thailand), Sydney logistics park, Saint Lucia villas, Sun Paper park in Laos, and more.
Our Clients & Partners
We have built strategic partnerships with leading brands worldwide and work closely with outstanding clients such as BYD, China National Building Material (CNBM), CATIC, Butler, China Railway International (CREC) and China National Nuclear Corporation (CNNC).
