https://pligg.samweber.biz/story.php?title=%E7%BD%91%E5%8F%8B%E7%82%B9%E8%AF%84-57573682537324214822637726159319342169750-2608526412-4 Test gear with laboratory twin-screw extruder, mill, electrostatic powder spraying equipment; machines have color difference meter, gel time and soften mobility analyzer, fridge, coating gloss and influence energy test and so forth. Sun, 21 Jan 2018 23:13:37 UTC en