选型指南
平移门滑轮选型：槽型、轴承与支架
A sliding gate rides on two things: the wheels underneath and the track they run on. When a gate starts to drag, jump or wear its track...
齿条与齿轮制造：从齿形加工到检验
Buyers ask for photographs of the factory for a good reason. A gear rack drawing says what the part should be; the machines and the ins...
平移门齿条：尼龙与钢制如何选择
Nylon and steel sliding gate racks are usually offered side by side at very different prices, which makes the choice look like a budget...
