国产美女一级片_成人性生交大片免费_国产性猛交粗暴力xxxx_久久久夜色精品亚洲a_麻豆一二三专区入口_国产精品热视频

&Nbsp; & nbsp; & nbsp; the company has the qualification of a second-class enterprise specialized in mechanical and electrical equipment installation contracting, and can undertake the installation of equipment, lines and pipelines of general and public and civil construction projects with an investment of 15 million yuan or less, the production and installation of transformer and distribution power stations with an investment of 10 kV or less, and non-standard steel components. The company has two professional installation engineering branches. Representative projects include: water, electricity, heating, air, boiler, cold station and other supporting installation projects of construction projects undertaken by the group; chemical equipment installation project of Weifang chemical fertilizer plant; equipment and pipeline installation project of Weifang sewage treatment plant; 35t boiler installation project of Weifang thermal power company, etc.

                                   

&Nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; installation of fire prevention facilities in Construction Engineering