Nowadays 3D membership PVC card is more and more popular in the world. Shenzhen Razlon meet each special requirement to provide lots of unique design membership PVC card to clients from the world.
The blank used for welded steel pipes is steel or strip. The steel plate or strip is bent into a circular shape, a square shape, etc. by a manufacturing process, and then welded to form a welded steel pipe having a seam on the surface.
The NPT ends ball valve is used to cut off or connect the media in middle and low pressure pipelines.The driving modes include manual operation,or pneumatic operation and electric operation.According to different structure designs,the valves can be one-pi
Brief Introduction The oilless self-lubricating bearing is a composite bearing that consists of steel backing and wear-resistant porous materials. The special wear-resistant layer is formed by sintering the copper alloy powder and graphite-based solid lub