丰满高潮大叫少妇在线观看,人妻少妇69式99偷拍,国产多人群P刺激交换视频,国产精品久久久久乳精品爆

  ↑Click the picture see larger image

                      Shaft          Size                                          Chain's pitch     Teeth    Chain's type

 1. Not only meet with request of transportation of heavy duty, but also helpful for maintenance and replacement
 2. Well dust proof and water splash proof in operation environment.
 3. Tight and durable, bear more heavier duty.
 4. Temperature range: -10 to +80 ℃