Overview Quick Details
Place of Origin:
J55 K55 L80 N80 P110
alibaba online shopping website with casing coupling
Black white blue red
50000 Piece/Pieces per Month
Packaging & Delivery
bundle or standard packing
Qingdao or Tianjin port
Lead Time :
as per order quantity
Product Name:alibaba online shopping website with casing couplingProduct Keyword: oil casing coupling Product Details: Standard: API 5B Grade:J55 K55 N80 L80 P110Outer Diameter: 4 1/2"~~20" Thickness: according to API 5BAlloy Or Not: IS-ALLOY Technique: CASTINGMORE DETAILS: Brand Name: DBListing Description: oil casing coupling:1)OD: 4 1/2"-20"2)Grade:J55,K55,N80,80-Q,L80-9Cr,L80-13Cr,P110,C95 3)Thread:BTC,STC,LTCDetailed Description:To date, more and more clients, from China to Russia, Southeast Asia, Middle Asia, Middle East, Africa, Europe, American continent, have selected our products, which enjoy a great reputation both at home and abroad.
Detailed ImagesPacking & DeliveryCertificationsOur CompanyOur ServiceFAQ
Q1: What is your company,a manufacturing or a trading company?
We have own factory, ShangDong DongBao Steel Pipe CO., LTD, and ShangDong DongBao International Trade Company has the professional sale team who can provide you base service.
Q2: What’s your main products?
Our main products are oil tubing pipe, oil casing pipe, tubing coupling and casing coupling , and tubing pop joint, casing pop joint, pump and so on.
Q3: How can you ensure our order?
We have been cooperated with Alibaba on trade assurance.Trade assurance is a service by alibaba designed to creat trust in trade, providing buyers with a set of features and protections to help ensure suppliers honor important details of the contract. If supplier does not meet the shipping time or pre-shipment product quality requirements in the contract, Alibaba.com will refund up to the covered amount for your order. You can choose Trade assurance order.And we also welcome you to our company to check the quantity.
Q4: Can I get some samples for free?
Yes, you can get the samples for free,but you should take the freight charge.
Q5:What is the quality assurance you provided and how do you control quality?
We ensure product quality through systematic testing with technically advance equipment. Our raw materials only get from large steel companies, and our products though the Api certification.