无码GOGO大胆啪啪艺术免费 ,欧洲熟妇xxxxx欧洲少妇hd,久久AV无码精品人妻系列果冻传媒 ,就去干成人网

網(wǎng)站導(dǎo)航
×

Solution

Solution

Polishing wax, polishing paste

Product introduction: Aluminum oxide, all kinds of polishing special aluminum oxideUses: sapphire, 3C industry cell phone middle frame, LOGO, case strap, small white wax, car polishing paste, roller polish and other high-end polishing.Features: strict control of crystal morphology, particle size conc…
Details
Parameters
Question
Product introduction: Aluminum oxide, all kinds of polishing special aluminum oxide
Uses: sapphire, 3C industry cell phone middle frame, LOGO, case strap, small white wax, car polishing paste, roller polish and other high-end polishing.
Features: strict control of crystal morphology, particle size concentration, choose different temperature calcination, polishing surface fine and uniform.
Recommend