Business scope: sales of mechanical equipment and accessories, metal materials (except for nationally controlled products), building materials (except for hazardous chemicals), hardware and mechanical and electrical products; production and manufacture of complete sets of mechanical equipment and accessories, stainless steel products, molds, power towers, broadcast communications Tower, software; maintenance and installation of mechanical equipment.

Business scope: sales of mechanical equipment and accessories, metal materials (except for nationally controlled products), building materials (except for hazardous chemicals), hardware and mechanical and electrical products; production and manufacture of complete sets of mechanical equipment and accessories, stainless steel products, molds, power towers, broadcast communications Tower, software; maintenance and installation of mechanical equipment.

Business scope: sales of mechanical equipment and accessories, metal materials (except for nationally controlled products), building materials (except for hazardous chemicals), hardware and mechanical and electrical products; production and manufacture of complete sets of mechanical equipment and accessories, stainless steel products, molds, power towers, broadcast communications Tower, software; maintenance and installation of mechanical equipment.

Business scope: sales of mechanical equipment and accessories, metal materials (except for nationally controlled products), building materials (except for hazardous chemicals), hardware and mechanical and electrical products; production and manufacture of complete sets of mechanical equipment and accessories, stainless steel products, molds, power towers, broadcast communications Tower, software; maintenance and installation of mechanical equipment.

Business scope: sales of mechanical equipment and accessories, metal materials (except for nationally controlled products), building materials (except for hazardous chemicals), hardware and mechanical and electrical products; production and manufacture of complete sets of mechanical equipment and accessories, stainless steel products, molds, power towers, broadcast communications Tower, software; maintenance and installation of mechanical equipment.

Business scope: sales of mechanical equipment and accessories, metal materials (except for nationally controlled products), building materials (except for hazardous chemicals), hardware and mechanical and electrical products; production and manufacture of complete sets of mechanical equipment and accessories, stainless steel products, molds, power towers, broadcast communications Tower, software; maintenance and installation of mechanical equipment.

Business scope: sales of mechanical equipment and accessories, metal materials (except for nationally controlled products), building materials (except for hazardous chemicals), hardware and mechanical and electrical products; production and manufacture of complete sets of mechanical equipment and accessories, stainless steel products, molds, power towers, broadcast communications Tower, software; maintenance and installation of mechanical equipment.

Business scope: sales of mechanical equipment and accessories, metal materials (except for nationally controlled products), building materials (except for hazardous chemicals), hardware and mechanical and electrical products; production and manufacture of complete sets of mechanical equipment and accessories, stainless steel products, molds, power towers, broadcast communications Tower, software; maintenance and installation of mechanical equipment.

Business scope: sales of mechanical equipment and accessories, metal materials (except for nationally controlled products), building materials (except for hazardous chemicals), hardware and mechanical and electrical products; production and manufacture of complete sets of mechanical equipment and accessories, stainless steel products, molds, power towers, broadcast communications Tower, software; maintenance and installation of mechanical equipment.

Business scope: sales of mechanical equipment and accessories, metal materials (except for nationally controlled products), building materials (except for hazardous chemicals), hardware and mechanical and electrical products; production and manufacture of complete sets of mechanical equipment and accessories, stainless steel products, molds, power towers, broadcast communications Tower, software; maintenance and installation of mechanical equipment.