Product Description

Supply Oil casing Standard:JIS DIN Grade:*0#, *0#, *5#, Q**5, Q**5, Q**5, API J*5, etc. Thread:LTC, STC, BTC Out diameter: 4 1/2"**0" LiaoCheng HaiLong Material Co., Ltd has profused designs with series quality grade, and expressly, our price is very competitive because we are manufactory, we are the source.You are welcome to visit our industry. As a very active manufactures, we develop new designs nearly every month, If you have interest in it, it`s my pleasure to offer details to you.