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qixian hot spring apartment east district communitysecond-rate | price of large hexagonal bolts in steel structuresecond-rate | henan communications construction management consulting co., ltd. was established in january 2000 and is a joint-stock enterprise with independent legal person qualifications. the company has the qualification certificates issued by the ministry of housing and urban-rural development, the communication engineering supervision, the housing construction engineering supervision, the power engineering supervision, the municipal public engineering supervision, the mechanical and electrical installation engineering supervision, and the communication engineering construction general contracting certificate issued by the ministry of housing and urban-rural development.official website | sichuan xinxing oil and gas construction engineering co., ltd.second-rate | sichuan xinxing oil and gas construction engineering co., ltd. is a professional contracting class b and construction mechanical and electrical engineering, waterproofing and anti-corrosion and insulation engineering, and professional contracting class b and long-term pipelines.official website | high-tech enterprise focusing on iot services in the field of intelligent security-beijing xinzhiheng technology co., ltd.second-rate | beijing xinzhiheng technology co., ltd. is one of the first companies to enter the beijing equity trading center's "specialized and new" special board (special board code: 000229). it is a high-tech enterprise with internet of things technology as the core and smart security and smart home as dual engine services, providing integrated services for intelligent security system design, implementation, operation and maintenance. the company currently has the qualifications for general contracting of construction engineering construction, general contracting of mechanical and electrical engineering construction, general contracting of municipal public engineering construction, general contracting of power engineering construction, general contracting of communication engineering construction, first-level qualification for professional contracting of electronic and intelligent engineering, first-level qualification for security engineering enterprises, first-level qualification for audio and video, first-level qualification for computer system integration,official website |
fujian yiyitong intelligent power technology co., ltd.life service