久久99精品一区二区三区,欧美国产国产综合视频,欧美大肥婆bbbww,亚洲精品高清久久,日韩AV无码成人精品国产

Features:
1. Good heat resistance;
2. High tensile strength;
3. The product appearance smoothness is good;
4. High cleanliness of products.

Product applications: mainly used in anodized aluminum, bronzing laser applications.