It also called mini bottom roller and mini lower roller is used to support the weight of crawler excavators and roll on the track link. It is also used to keep track link to prevent it from lateral slippage. When the excavator steers, track roller force t
Low-carbon steel and high-strength steel, straight seam welding of various types of steel pipes such as round pipes, rectangular pipes and special-shaped pipes.
1. A variety of precision control systems are available, with an elastic combination of reduced cost and finished product accuracy requirements.2. Double skateboard type can set the function of the single skateboard, the mould can match the elasticity of
Upgrade auto disposable mask machine(1+3), it consists of 1 mask blank machine and 3 elastic welding machine, can produce disposable mask from 2 to 5 layers, whole production line only need 1 operator.