欧美精品在线视频,一级毛片无码无卡无遮挡,密臀av免费线观看,激情淫荡少妇人妻视频

Language:CHINESESENGLISH

Home > News >
CONTACT US
  • Address:Pingtang Industrial District, Shipeng Village, Shishan Town, Nanhai District, Foshan City,
  • Phone:0757-81002668/0757-63323396
  • Fax:0757-81196682
  • Contact:Ben Zheng/13826981293 Kerry Lu/13751224830
  • E-mail:sbs@sbsprefabhouse.com
  • URL:http://m.szcxdj.com.cn
Guangzhou Steel teach you: prestressed steel structure
Guangzhou Steel teach you: prestressed steel structure   As a low-carbon green green building, steel structure construction should to build capital-saving, environment-friendly society to play a greater role. Judging from the current situation...
2015/8/5
Guangzhou Steel teach you: steel works, steel selection General rules
Guangzhou Steel teach you: steel works, steel selection General rules 1, steel orders, its variety, standard and functions should be in line with the existing national planning documents and steel specification given.2, steel purchase contract respo...
2015/8/5
Guangzhou Steel teach you: connection handling, processing and Steel Works conflict face pieces
Guangzhou Steel teach you: connection handling, processing and Steel Works conflict face pieces 1, the connector bolt hole according to relevant provisions of Chapter 8 of this specification for processing, precision bolt hole wall roughness appeara...
2015/8/1
Guangzhou Steel teach you: welding steel engineering practitioners general rules
Guangzhou Steel teach you: welding steel engineering practitioners general rules 1, welding technology (welding engineer) should have appropriate qualifications; large important steel works, welding technology leader should obtain the intermediate a...
2015/8/1
Guangzhou Steel teach you: hoisting steel construction zone safety of the general provisions
Guangzhou Steel teach you: hoisting steel construction zone safety of the general provisions 1, lifting the region should set the security cordon, non-staff prohibited from entering.2, lifting objects hanging from the ground 200mm ~ 300mm, should co...
2015/7/29
Guangzhou Steel teach you: installation of steel structures for connector inspection requirements
Guangzhou Steel teach you: installation of steel structures for connector inspection requirements High strength steel connection hexagon bolt connection deputy, torsional shear type high strength bolts, steel grid with high strength bolts, common bo...
2015/7/25
Guangzhou Steel News: Steel structure construction design elements and current situation in our country
Guangzhou Steel News: Steel structure construction design elements and current situation in our country Times are ongoing, and we work every day to live the life of the construction material requirements are also increasing. Modern iron and steel in...
2015/7/25
Guangzhou Steel News: laminated steel prefabricated building skills leading
Guangzhou Steel News: laminated steel prefabricated building skills leading  Recently, the Hubei local standards "Steel laminated assembly building skills Regulations" (hereinafter referred to as "Regulations") approval. "Regulations" the prepa...
2015/7/25
Guangzhou Steel teach you: construction steel structure engineering control points
Guangzhou Steel teach you: construction steel structure engineering control points 1 steel construction in high strength bolt connection. Even the quality of high-strength bolts is an important factor affecting the quality of steel, high-strength bo...
2015/7/23
Guangzhou Steel tells you: Analysis of Steel carried prospects
Guangzhou Steel tells you: Analysis of Steel carried prospects Analysis carried out prospects SteelSteel undertaken: should focus on three main areasAccording to industry to carry out the situation to carry out offshore oil engineering equipment, st...
2015/7/23
Guangzhou Steel tells you: Management of Steel Construction Safety Control
Guangzhou Steel tells you: Management of Steel Construction Safety Control   Along with the development of society, steel works from an economic, practical, seismic, may increasingly being recognized in the use and so on, followed with an incr...
2015/7/23
Guangzhou Steel News: China building China's first research and manufacture modular steel structure housing the main completed green
Guangzhou Steel News: China building China's first research and manufacture modular steel structure housing the main completed green Developed and manufactured by the China State Construction Engineering's "low level of green steel demonstration pro...
2015/7/15
page:25  1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38  39  40  41  42  43  44  45  46  47  pervious next  

Copyright:佛山市勝邦鋼結構有限公司 Foshan Shengbang Steel Structure Co., Ltd. Record Number:粵ICP備13078463號
免费国产永久入口| 欧美熟妇骚水| 一区二区三区视频免费| 久久九九高潮毛片免费全部播放| 六月丁香六月综合| 夜夜嗨国产馆粉嫩Av| 香蕉视频国产区在线观看| 99久久综合国产精品二区| 麻豆人妻天天干| 另类亚洲第一区| 狠狠躁日日躁夜夜躁麻豆| 日本久久耐| 亚洲日产aV中文字幕无码软件| 一本色道heyzo人妻无码| 男男一区二区| 无码精品高潮久久久久久粉嫩| 国产亚洲色婷婷久久精品性色Av| 国产视频无码专区| 国产欧美一区二区三区观看| 一本到无码在线无码在线| 亚洲熟妇乱码| AⅤ少妇| 国产区精品一区| 亚洲日本女人午夜影院| 国产女精品视频网站免费蜜芽 | 日韩亚洲人成在线| 亚洲涩无码| 久久亚洲精品网址| 永久网站无码名域| 人片无码兔费视频中文幕人| AV东京热亚洲五码天堂| 天堂呦呦成人| 精品亚洲A无码一区国模吧 | 国产精品无码影视久久久久久久 | 日91大香蕉| 97是频| 日韩精品一区二三区中文| 亚洲成人资源导航| 久久久wwwwww| 亚洲AV美女天堂一区二区三区| 韩国三级hd中文字幕不卡偷看|