Tubing Coupling 3-1/2 Inch K55 EU NU With API Standard

structure of tubing coupling 

1.Structure of Casing and Tubing Coupling Description

Casing and tubing coupling can be widely used in cold and hot water supply, heating supply, fire protection, medicinal gas, industrial petroleum pipeline system etc. 

It has already replaced welding fittings in most Europe countries, Asia countries, America, Australia and some other countries

features of coupling

2. Main Features of Casing and Tubing Coupling

The quality of our products are very good, customers are all very

 satisfied. We have professional service team and export experience

 for a lot of years, our products have exported to more than 200

 countries in the world. Here you can take easy choosing your needed

 products.

Q:Do you provide samples? is it free or extra?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight

Q:What is your terms of payment?

 A:30% T/T in advance ,balance before shippment.