After nearly 20 years of efforts, China’s production of oil API 5CT N80 steel pipe has been close to the level of foreign oil sleeve products from scratc

The most common problem of API 5CT K55 tubing and casing is corrosion. How to avoid this problem that is a very important problem. Katalor is a famous API 5CT K

API 5CT J55 steel pipe is belong to tubing and casing, and it is a kind of large-diameter pipe, which plays a role of fixing oil and natural gas oil wells or we

As we all know, the market of 10CrMo9-10 steel pipe is huage. Some companies produce the porr quality 10CrMo9-10 steel pipe for customer. Katalor never do that,