本产品采用进口优质热镀锌板钢板制作而成，具有抗腐蚀性强、机械强度高等优异性能。连杆上的球套采用高性能长碳链工程塑料，其优点是高耐磨、长寿命、噪声低等。

   The Link Assembly is made with imported high-grade zinc plating steel, with excellent anti corrosion performance and high mechanical strength. The socket on the assembly is made with high performance engineering plastic with advantage of good wear resistant, long lifetime and low noise, etc.