97久久超碰精品视觉盛宴,国产精品无卡毛片视频,国产高清乱码爆乳女大生AV,国产精品久久毛片

Plunger Rod
The plunger rod moves back and forth in the pump head to finish the process of sucking the mobile phase into the pump head and then outputting, so the wear resistance of the plunger rod is very important.
Online Buy

1. Famous brand imported original plunger rod, quality assurance;

2. The plunger rod is made of ruby and zirconia with good wear resistance;


Related to recommend
Online WeChat Phone 010-59812370/1/2/3 Customer TOP
Message