1. expansion cylinder 2. material: iron/carbon steel 3. finish: zinc plated 4. best price, good quality and service

1. It's expansion cylinder

2. the material can be iron, carbon steel and stainless steel.

3. finish way: it can be zinc plated, copper plated and so on.

4. package can be according to customer's requirements.

5. we are factory, we can supply best price, good quality and best service.

6. delivery date is short

7. accept small quantity.