SOB copper bush, GPBW guide sleeve

 Supply of fiberglass panels, insulating plate

 Supply of 150W carbon dioxide laser tube

 LTK-5050-104 sensor

 Supply of universal material testing machine

 Low content alloy rolled coil Q345B

 Supply of SP-56P432 O-style waterproof attaching plug, waterproof air plug, 32A industrial plug

 Spot supply of Jichai series diesel generating set