Black , no surface treatment. 

Or primer painted, powder coated, galvanized, anti-rust oiled, According to customer's requirement

1. General plain ends, no treatment

2. Customized, threaded ends, with coupling and PVS caps

3. Customized, beveled , with PVC caps

4. Scoked

5. Steel ring welded outside diameter

6. Perforated holes

7. Other customized reprocessing: welded plates on ends of pipe, or others

Based on various standard / different standard,

1. delivery liquid, water, gas

2. for construction, steel structure,

3. scaffolding pipe, scaffolding material,

4. greenhouse frame, fence post, 

5. machinery parts, (bus frame material for some countries, truck frame material ects.) 

6. Low and middle pressure fluid pipeline, boiler, petroleum and natural gas industry, drilling, chemical industry, electric industry, shipbuilding, fertilizer equipment and pipeline, structure,   petrochemical, pharmaceutical industry

1. general package: in bundle, steel strip packed

2. anti-rust package: in bundle, PVC plastic package

3. to save container room and space: small diameter pipe insert in big diameter pipe

4. other package according to customer's requirement