The advantage of our high press and corrosion resistance API line couplings:
1.Every product must be made phosphating surface treatment,non-destructive inspection,and hydrostatic pressure inspection.
2.Technical standard:API 5L,5B standard.
3. The material has excellent strength and toughness,they are purchased from well-know enterprise with long term quality guarantee.
4. Precision dimensional processing, with strict internal control.
5. Good adhesion and corrosion resistance.
6. The surface of the product is brightly colored and clearly marked according to API standard.
7. The product is packed firmly and sealed for easy transportation and storage.
8. The price is reasonable and competitive,it's directly factory price.