久久综合久久自在自线精品自,午夜肉伦伦影院无码,999视频精品全部免费品,伊人伊成久久人综合网小说

Home > News > Guangzhou Steel Engineering Test and Measurement

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://www.iigii.cn

Guangzhou Steel Engineering Test and Measurement

Time：[2016-3-30] Hits：3647

Guangzhou Steel Engineering Test and Measurement

(1) Guangzhou Steel steel material inspection requirements.

(2) welding materials Material inspection requirements.

(3) Performance tests bolt: steel bolt engineering performance test requirements.

(4) high strength bolt friction surface anti-slip coefficient test and retest requirements.

GENERAL (5) Guangzhou steel welding inspection.

QR code of public account