97精品久久无码中文_无码黄片在线免费观看_囯产av无码片毛片一_日韩中文无线码免费av

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                      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 ℃