91黄视频网站在线观看-亚洲国产熟对白剧情一区二区-亚洲 另类 伦理 在线-977精品视频在线观看

Detailed information

Rubber testing capability

    Establish the rubber performance testing laboratory according to national standard. All the performance of rubber could be tested which based on standards of DIN/ASTM/ISO, such as intensity, microhardness, compression stress relaxation, cold brittleness, pressure & oil proof air aging, ozone resistance test and so on. The test which above-mentioned got the GP10 qualification from GM.

Copyright: Qingdao Changyu Group   魯ICP備19047741號