成人看片在线观看免费,爆操欧美美女,2019av在线播放

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:[email protected]
URL:http://www.ggscp.cn

Foshan Steel budget should be done before some of the knowledge necessary

Foshan Steel budget should do before some of the knowledge necessary (1) To know Foshan steel construction technology, specifically how each process is picking, how cutting, how construction, so you can make the calculation does not reveal the amoun...

2016/5/28

Construction and installation of steel structures virtual simulation process (Figure)

Construction and installation of steel canopy virtual simulation processes (renderings)1, 120 tons crawler crane platform canopy will complete the installation of steel columns2, the erection of the support frame, lifting the first string truss Pin3,...

2016/5/18

Foshan main steel members (b)

welding(1), the general requirementsa welder required certificates.c welding, flux before use technical specifications shall be specified baking temperature baking.c welding welder should be reviewed before the handling member joint quality and pads,...

2016/5/14

Foshan main steel members (a)

1 Preparations(1), the former Foshan steel processing, construction workers prepared by the process of order by the chief engineer for approval. Carefully check process preparation of each process, and to do the work of peer review process and made d...

2016/5/14

Guangzhou Steel used in construction abroad

Guangzhou Steel used in construction abroad The proportion of total steel production of construction steel The total amount of construction steel in China accounts for about 20% to 25% of the total steel production, wh...

2016/4/20

Steel building during several methods to identify fake and shoddy steel

Steel building during several methods to identify fake and shoddy steel Steel building process, how to distinguish fake and shoddy steel it? Guangzhou Steel following Xiaobian grand teach you the recipe, trained to help you with one of the m...

2016/4/16

Guangzhou Steel plant with traditional plant What is the difference?

Guangzhou Steel plant with traditional plant What is the difference? Our steel plant in Guangzhou is a new house, is a steel structure as the main body, with integrated manner produced, compared to the traditional plant are mainly the followin...

2016/4/16

Development of Steel

Guangzhou Steel teach you: Development of Steel Development of Guangzhou Steel Although China has a remarkable achievement in the early iron structure, but long-term stay in the horizontal iron buildings. Until the 19th century, China began using m...

2016/4/16

Guangzhou Steel Plate Welding Technology

Guangzhou Steel Plate Welding Technology Guangzhou Steel News: Since the 1980s, Chinese construction steel has been an unprecedented development, construction steel occupies a very important position in the national economy. Steel due to its many ad...

2016/4/13

Steel Villa legend enjoy

Guangzhou Steel News: Steel Villa legend enjoy Guangzhou Steel News: At present, a lot of light steel villa in architecture than in concrete construction is simple, convenient, and more and more peop...

2016/4/13

Guangzhou Steel make green building a better

Guangzhou Steel make green building a better A new building system it is possible to open up the real estate, construction, metallurgy, machinery and equipment manufacturing, new building materials industry, disaster prevention and m...

2016/4/13

Steel embrace the new green, green building trends lead

Guangzhou Steel News: Steel embrace the new green, green building trends lead Guangzhou Steel News: referred to as "the history of the most serious" the official implementation of the new environmental law has been more than a year. "Total d...

2016/4/9

page:13 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

Back To Top
0757-63323396
18900873383
Public Account

欧美成人性色xxxx视频-欧美成人性色区-欧美成人性色生活片免费在线观看-欧美成人性视频播放-a级特黄-a级亚洲片精品久久久久久久