The registration address of hebei yupin glass steel limited is located on the south side of the entrepreneurship park for small and medium-sized enterprises, located on the south side of the zhuang park, in hebei province. The strong county market supervision authority, represented by legal persons, is liu xianfa, which operates in the following areas: processing, manufacturing, marketing and installation of glass and steel products, markers, warning signs, squeezing materials, road boundaries, milestones, compressor boxes, desulphurization towers, cable bridge frames, cable racks, spray towers, purification towers, absorbent towers, storage tanks, containers, membranes, plastic tubings, pipes and articles, squeezing, emulsions, towers, cooling towers, winding machines, water tanks, pipelines, cables, septic tanks, central air conditioning terminals and installations, on-site preservation of corruption, water protection works, drip irrigation pipes, micro-jets, micro-filling kits, environmentally friendly equipment, export operations for the enterprise's own products and technologies and the import of mechanical equipment, spare parts, raw materials and technologies required by the enterprise, with the exception of goods and technologies for which the state limits companies ' operations or prohibitions on imports and exports. (projects subject to legal approval may not operate without the approval of the relevant department)