Origina factory API 5CT long round-thread casing coupling
All our products are produced and processed according to API 5CT, with the materials of steel grade including J55, K55, N80, N80-1, N80-Q, L80, P110 and so on. The couplings have three types, namely STC LTC and BTC. By numerically controlled lathe and import molding cutter, the processing of thread can be finished in one time, which ensures its commonality and interchangeability. We have complete testing abilities, adopting a whole set of single testing apparatus of thread, including tape, pitch, tooth depth, profile and so on. Our products have already passed the identification of the Quality Testing and Inspection Centre of Oil Pipe of CNPC (China National Petroleum Corporation).
Please note: because the price of raw materials has been floating recently, so we just marking a symbolic price on the web. If you are interested in our products, please directly contact us by WhatsApp or Trademanager
Product Description
Company Profile
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FAQ
1.Are you a factory? Yes,we have our own factory for manufacturing and we have the long history in this field as the China top brand.
2.Can you provide free sample? Yes, we can provide samples in our stock for free, customer just need to bear the shipping fee.
3. How about the quality guarantee ? Always a pre-production sample before mass production; Always final Inspection before shipment;
4.What can you buy from us? OCTG / Pumping Unit / Sucker Rod Pump / Wellhead and Christmas Tree / Casing and Coupling /Pup joint/Crossover/Centralizer
5. What is your advantages beyong other suppliers? 1).Complete categories & Reasonable price 2).Fast delivery & Quality guarantee 3).Supplier of china famous oil field and lots of US oil field etc. 4).20+ years professional manufacture major on oil equipment
6. what services can we provide? Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA,DDP,Express Delivery; Accepted Payment Currency:USD,CNY; Accepted Payment Type: T/T,L/C,D/P D/A,Cash,Escrow; Language Spoken:English,Chinese,Spanish