偷拍久久久_久久国产精99精产国高潮_久久四虎影院,性色av一二三杏吧传媒,久久国产精品亚洲77777,国模大尺度视频

CN
Position: Home >> Application >> Blasting
Steel plate surface preparation

2222-bca5b

Steel plate surface preparation
Remove the oxide skin, rust and other impurity by shot blasting and derusting then using a vacuum
cleaner or purified compressed air to clean the steel surface.
No.288 Center Avenue,Mengshui Zhoucun Zibo Shandong China
0533-6881107/6881687
taa-abrasive@taa.net.cn
版權所有 ? 淄博大亞金屬科技股份有限公司2018
技術支持：天舞傳媒
魯ICP備11019088號-4
點擊這里給我發消息