久久99精品久久久久久青青丨久久婷婷是五月综合色丨黑人又粗又大xxx精品丨1000部啪啪未满十八勿入丨国产va精品午夜福利视频

Hello, welcome to Xuzhou Tenglong Steel Structure Technology Co., Ltd. official website!

Your Current Location:Home > service > Service advantages

Service advantages

? 01 The good faith

Keep the contract heavy reputation, 24 years of experience in the construction industry.

The company has been rated AAA credit enterprises, and the first through the ISO9001 quality system certification.

Steel structure engineering professional contracting class 1, can undertake all kinds of steel structure engineering (including grid frame, light and heavy steel structure engineering, pipe truss, membrane structure) production and installation, construction general contracting grade 3 qualification, curtain wall engineering contracting grade 2 qualification, building curtain wall engineering design special grade b qualification.




02 The quality

Own quality control department, layer upon layer process control, ensure the quality of shipment.

With advanced production technology equipment, test equipment, all kinds of advanced processing, testing equipment and other advanced production equipment at home and abroad.

Adopt advanced electronic testing methods to ensure product quality; Raw material detection through the analysis of raw material components, the content of each element; Design part through the designer to design engineer to design director, layers of approval.




03 Professional

Senior professional construction team and design department can put forward reasonable opinions and complete the design plan according to the actual construction characteristics of customers.

There are 3 Registered Architects and 25 professional design teams.

Keep up with The Times, apply high and new technology to serve the steel structure industry, such as assembly steel structure, application of project management mode in large-scale construction, application of big data in business platform, etc.




04 Service

Have an independent after-sales team, customer service staff 7*24 hours for you

Enterprises have no loans, strong ability to perform contracts, strong production capacity and after-sales support, quality and quantity of the project on time.

The annual design capacity is 20,000 tons; in recent years, the actual annual production tasks are 40,000 tons, 2 production lines of welded H-section steel; 2 production lines of steel pipe columns; 1 production line of pipe truss; 3 production lines of rust removal and painting; and the equipment on the production line is complete and the maintenance is perfect.


主站蜘蛛池模板: 无码专区6080yy国产电影| 成视人a免费观看 视频| 国产免费久久精品99re丫丫一 | 少妇被粗大的猛进69视频| 国产av一码二码三码无码| 国产av剧情md精品磨豆| 国产人妻高清国产拍精品| 亚洲另类激情综合偷自拍图| 男女又色又爽又爽视频| 非洲黑人最猛性xxxx交| 亚洲视频无码高清在线| 亚洲综合无码精品一区二区| √天堂资源地址中文在线| 一本一道精品欧美中文字幕| 国产人妻精品区一区二区三区 | 国产亚洲精品久久久久久久软件| 国产精品黑色丝袜在线观看| 中文字幕乱码人在线视频1区| 成人内射国产免费观看| 欧美人与禽猛交狂配| 亚洲理论电影在线观看| 全部av―极品视觉盛宴| 国产美女在线精品免费观看| 无码人妻丰满熟妇区毛片18| 亚洲成a∨人片在线观看无码 | 欧美亚洲精品真实在线| 亚洲国产精品一区二区手机| 人妻系列av无码专区| 久久精品国产一区二区电影| 亚洲国产av高清无码| 欧美成人精精品一区二区三区| 在线va亚洲va天堂中文字幕 | 无码专区视频精品老司机| 欧美激情一区二区| 亚洲sm另类一区二区三区| 精品国产国语对白久久免费| 香蕉午夜福利院| 天堂中文在线8最新版地址| 国产精品va在线观看手机版hd| 午夜色大片在线观看免费| 日本特黄特色特爽大片|