Body section
Body section
In body section sand blasting process, metal abrasives’ quality directly affect the quality of coating, the efficiency
of the sand blasting, the paint, the kinetic energy and the consumption of the abrasive materials etc. factors
regarding to the quality and comprehensiveness cost, Along with the new Protection Performance Standard of
Coating(PSPC), it sets a higher request on partition sand blasting quality, therefore, the metal abrasives’ quality is
more important in the process.
91久久人人爽亚洲精品美女,东京热加勒比久久综合,国产精品亚洲精品日韩已满,,国产成人一级影片,视频思思久久免费国产,久久精品综合网,无码国产精品午夜不卡