欧美一级黄视频网站-AAA级毛片免费播放-日韩一级无码免费A片-日韩一级黄色电影在线观看-播放成人一级黄色录像-免费的黄色一级A片-黄色一级免费黄色一级电影-亚洲一级毛片电影-一级毛片免费网站

News Information

Location:Home > News > Company News >

What are the defects of the elevator rails and connectors?
Hits Update:2017-10-23 15:58:20 Author:www.igemmarburg.com
What are the defects of the elevator rails and connectors? - HollowElevator guide rail

Elevator guide railAnd the connecting piece have cracks, scars, burrs and other defects are not allowed, not allowed to have galvanized layer of skin, tumor and shedding phenomenon, the concave black pockmark per meter length does not exceed 5, and the total area of not more than 1cm2.

Address: Nansha port Zhangjiagang West Economic Development Zone
 
Contact: Wang Chunfeng (export manager)
 
Cell phone: 13616246105
 
Telephone: 0512-58378981
 
Fax: 0512-58378982
Hot recommended: