Hebei Boto Pipeline Manufacture & Trade Co....
Hebei Boto Pipeline Manufacture & Trade Co., Ltd. is one branch of XinYuanTai Steel Tube Group We mainly operate seamlees steel pipe, ERW, straight seam DSAW, and other common products. are a professional pipe team which the biggest piping manufacturers suppliers in China. can offer you right product, ....
Address:No523YiHeinternational,YunHe district, Cangzhou, HeiBei, China
Product/Service:seamless steel pipes,stainless steel exhaust pipe,steel pipe suppliers,stainless steel tubes,galvanized steel pipe,carbon steel pipes,industrial pipe,spiral steel pipes,astm steel pipes,asme steel pipes,din steel pipes,jis steel pipes,casing pipe,pipe octg casing,oil casing pipe,api casing pipe,casing steel pipes,api oil casing pipe,seamless casing pipe,pipe line,pipe production line,lined steel p,seamless steel pipes,stainless steel exhaust pipe,steel pipe suppliers,stainless steel tubes,galvanized steel pipe,carbon steel pipes,industrial pipe,spiral steel pipes,astm steel pipes,asme steel pipes,din steel pipes,jis steel pipes,casing pipe,pipe octg casing,oil casing pipe,api casing pipe,casing steel pipes,api oil casing pipe,seamless casing pipe,pipe line,pipe production line,lined steel p
Beijing Hongxin Creaton International Trade Co., Ltd
Nearly 20 years' experience in dealing with Petroleum equipment (OCTG,Drill rigs,Mud pumps,BOP,Top drive,Drill bits,etc.),equipment high-qualified and certificated with API/ISO/GOST/DVN,price reasonable,service satisfactory.Your needs are what we focus on..
Address:Room 706,Haitai Building,No.229 North 4th Ring Middle Road,Haidian District
Product/Service:Drill rigs,OCTG-Tubing&Casing,Mud pumps,Top drive,Blowout preventer,Drilling Rigs,Mud pumps,OCTG-Casing,Seamless casing,OCTG-Drill pipe,OCTG-Tubing,Top Drive,Line pipes,Cementing tools,Fracturing equipment,Wellhead equipment,Drill bits,Well control equipment,API7K Handling tools,Air Compressor Package for gas,OCTG-Drill Collar,Insulated tubing-Prestressed insulated tubing,Iron roughneck,Pumping un,Drill rigs,OCTG-Tubing&Casing,Mud pumps,Top drive,Blowout preventer,Drilling Rigs,Mud pumps,OCTG-Casing,Seamless casing,OCTG-Drill pipe,OCTG-Tubing,Top Drive,Line pipes,Cementing tools,Fracturing equipment,Wellhead equipment,Drill bits,Well control equipment,API7K Handling tools,Air Compressor Package for gas,OCTG-Drill Collar,Insulated tubing-Prestressed insulated tubing,Iron roughneck,Pumping un
Dongying Huco Petroleum Technology& Development Co., Ltd.
Our company is a manufacturer of petroleum equipment with well-equipped testing and strong technical force. With wide range, good quality, reasonable prices stylish designs, our products are extensively used in Petroleum Equipment other industries. Our widely recognized trusted by users can ....
Address:KenLI
Product/Service:Petroleum Equipment,Petroleum Machinery,Tubing,Drill pipe,OCTG,Casing&Drill pipe protector,Casing,Tubing,Line pipe,pipe fittings,Drilling Tools,drilling pipe,Centralizer,Drill string,Kelly spinner,Drilling Rig& Accessories,Drilling rig,Top drive,Swivel,Draw woerks,Crown block,Rotary table,Travelling block,Well control system,Choke&kill manifold,Hose,Valves,BOP,Xmas tree,Oil Production Equipment,Su,Petroleum Equipment,Petroleum Machinery,Tubing,Drill pipe,OCTG,Casing&Drill pipe protector,Casing,Tubing,Line pipe,pipe fittings,Drilling Tools,drilling pipe,Centralizer,Drill string,Kelly spinner,Drilling Rig& Accessories,Drilling rig,Top drive,Swivel,Draw woerks,Crown block,Rotary table,Travelling block,Well control system,Choke&kill manifold,Hose,Valves,BOP,Xmas tree,Oil Production Equipment,Su
Suns Steel International Trading Limited Tianji...
Established in 1998, Suns Steel International Trading Limited is one of the leading trading companies steel pipes and tubes. Handling about 90, 000 metric tons a year, dealing with more than 50 different manufacturers China, our annual turnover has reached USD80 million. Specifically, main products are ....
Address:Room 1403, beichen Mansion, Tianjin, Tianjin, China
Product/Service:pipes,casing pipes,steel casing pipe,petroleum casing pipes,ssaw pipes,spiral pipes,arc pipes,spiral welding pipes,square tubes,rectangular tubes,erw tubes,seamless pipe,line pipes,steel line pipes,ductile pipes,iron pipes,ductile iron pipes,casing coupling,octg pipe,octg casing,spiral welding pipes,arc welding pipe,ssaw welding pipe,erw square pipe,rectangular steel pipe,steel square tube,seamles,pipes,casing pipes,steel casing pipe,petroleum casing pipes,ssaw pipes,spiral pipes,arc pipes,spiral welding pipes,square tubes,rectangular tubes,erw tubes,seamless pipe,line pipes,steel line pipes,ductile pipes,iron pipes,ductile iron pipes,casing coupling,octg pipe,octg casing,spiral welding pipes,arc welding pipe,ssaw welding pipe,erw square pipe,rectangular steel pipe,steel square tube,seamles
Hebei Borun Steel Trade Co., Ltd
Hebei Borun Steel Trade Co., Ltd is a skilled maker & exporter of OCTG Pipes, Seamless Hollow Section, Galvanized Water lines in China, which lies Cangzhou, popular City China. It near to Beijing and Tianjin the north, surrounding Huanghua port east. With distinct place, transportation very convenient. ....
Address:Huashang Tower, Beijing Road, Yunhe District
Product/Service:seamless pipe,welded pipe,OCTG casing and tubing,hollow section,galvanized pipe,pipe fittings,flanges,seamless pipe,welded pipe,OCTG casing and tubing,hollow section,galvanized pipe,pipe fittings,flanges
Tianjin Tiangang Special Petroleum Pipe Manufacture Co.,Ltd
We are Tianjin Tiangang Special Petroleum Pipe Manufacture Co., Ltd, with over 10 years' experience in manufacturing and selling casing tubing according to API-5CT standard from: 5-1/2''(139.7mm)---20''(508mm) , end type:BTC/ LTC/ STC Steel grade:J55/K55/N80/L80/P110 ....
Address:Tianjin, Tianjin, China
Product/Service:seamless steel pipe, casing pipe, tubing, oil pipe, api pipe, casing, drill pipe, octg, petroleum pipe, coupling, thread protector,Steel coupling,Tubing pipe,Casing pipe,,seamless steel pipe, casing pipe, tubing, oil pipe, api pipe, casing, drill pipe, octg, petroleum pipe, coupling, thread protector,Steel coupling,Tubing pipe,Casing pipe,
TIANJIN DALIPU OIL COUNTY TUBYLAR GOODS CO., LTD
Tianjin Dalipu Oil Country Tubular Goods Co., Ltd 1.an emerging production and marketing enterprise based casing . Located in Tianjin, near the capital Beijing, Port largest port north of China, 2.With API 5CT oil 5L line pipe as main products, with sales integration, professional domestic foreign trade ....
Address:taoyuan street, Tianjin, Tianjin, China
Product/Service:tubing and casing, pup joint, oil casing, octg,Oil casing,Oil casing BTC, LTC, STC,Oil casing,On sell API spec 5ct oil casing and tubing,API 5CT oil tubing pipes,API 5L seamless ERW SSAW pipe line,API 5L seamless pipe line DISCOUNT,API 5CT oil casing pipes,API oil tubing pipes HIGH QUALITY,API 5CT oil casing and tubing coupling,,tubing and casing, pup joint, oil casing, octg,Oil casing,Oil casing BTC, LTC, STC,Oil casing,On sell API spec 5ct oil casing and tubing,API 5CT oil tubing pipes,API 5L seamless ERW SSAW pipe line,API 5L seamless pipe line DISCOUNT,API 5CT oil casing pipes,API oil tubing pipes HIGH QUALITY,API 5CT oil casing and tubing coupling,
Suns Steel International Trading Limited Tianjin Company
Established in 1998, Suns Steel International Trading Limited is one of the leading trading companies steel pipes and tubes. Handling about 90, 000 metric tons a year, dealing with more than 50 different manufacturers China, our annual turnover has reached USD80 million. Specifically, main products are ....
Address:Room 1403, beichen Mansion, Tianjin, Tianjin, China
Product/Service:pipes,casing pipes,steel casing pipe,petroleum casing pipes,ssaw pipes,spiral pipes,arc pipes,spiral welding pipes,square tubes,rectangular tubes,erw tubes,seamless pipe,line pipes,steel line pipes,ductile pipes,iron pipes,ductile iron pipes,casing coupling,octg pipe,octg casing,spiral welding pipes,arc welding pipe,ssaw welding pipe,erw square pipe,rectangular steel pipe,steel square tube,seamless tubes,steel pipes,stainless steel pipes,cast iron pipe,water distribution pipe,black iron pipe,ERW Steel Pipe,Corrugated Steel Plate,LSAW Steel Pipe,Deformed Steel Bar,Hot Rolled Steel Coil,Bends,Cold Rolled Steel Coil,Electric Galvanized Steel Coil,I-beam,Channel Steel,Hot Rolled Steel Wire Rod,Angel Bar,Cold Rolled Precision Seamless Steel Tube,Round Bar,H-beam,,pipes,casing pipes,steel casing pipe,petroleum casing pipes,ssaw pipes,spiral pipes,arc pipes,spiral welding pipes,square tubes,rectangular tubes,erw tubes,seamless pipe,line pipes,steel line pipes,ductile pipes,iron pipes,ductile iron pipes,casing coupling,octg pipe,octg casing,spiral welding pipes,arc welding pipe,ssaw welding pipe,erw square pipe,rectangular steel pipe,steel square tube,seamless tubes,steel pipes,stainless steel pipes,cast iron pipe,water distribution pipe,black iron pipe,ERW Steel Pipe,Corrugated Steel Plate,LSAW Steel Pipe,Deformed Steel Bar,Hot Rolled Steel Coil,Bends,Cold Rolled Steel Coil,Electric Galvanized Steel Coil,I-beam,Channel Steel,Hot Rolled Steel Wire Rod,Angel Bar,Cold Rolled Precision Seamless Steel Tube,Round Bar,H-beam,
Courser International Trading Limited
Chinese Steel Tube Manufacturer Our manufacturer is a newly restructured company previously belonging to Sinopec Oilfield Company. With three tubing and casing treading production lines, one ERW line. As the established professional of casing, line pipe,drill pipe. our management staff have been ....
Address:Rm.401, No.26 Building, 287 Heze Rd., Shanghai, China
Product/Service:seamless steel tube, steel pipe, casing, tubing, line pipe, octg, api 5d, drill pipe,Oil Steel Casting,Oil Steel Tubing,,seamless steel tube, steel pipe, casing, tubing, line pipe, octg, api 5d, drill pipe,Oil Steel Casting,Oil Steel Tubing,
Shandong Dongbao Steel Pipe Co., Ltd
Established in 2005, Shandong Dongbao Steel Pipe Co., Ltd is the branch company of Group, locating at East City Industrial Garden, Shouguang City, where beautiful and pleasant riverside Mi River. And main roads city around corporation Jiqing Highway make transportation more convenient. The a ....
Address:Luofu and Dongwaihuan, Shouguang, Shandong, China
Product/Service:octg tubing, casing, anti-corrosion pipe and seamless steel pipes, srtp composite pipe,Steel Wire Reinforced Polyethylene Composite Pipe(SRTP),Drill Pipe,OCTG Casing,Anti-Corrosion Tubing,OCTG Tubing and Pup Joints,,octg tubing, casing, anti-corrosion pipe and seamless steel pipes, srtp composite pipe,Steel Wire Reinforced Polyethylene Composite Pipe(SRTP),Drill Pipe,OCTG Casing,Anti-Corrosion Tubing,OCTG Tubing and Pup Joints,
Shandong Dongbao Steel Pipes Co.Ltd
Estabilished in 2001, Dongbao Group is the professional manufacturer and supplier of OCTG tubing, casing petroleum machinery, its former name Dongying Petroleum Machinery Co.Ltd, which was estabilished 1992 located at East City Industrial Zone Shouguang important countries flourishing economy ....
Address:Cross between Dongwaihuan road and Luofu street, Shou Guang, Shan Dong, China
Product/Service:petroleum pipe:seamless octg oil casing , oil tubing with api, coupling, pup-joint, drillingl pipes, various oil pump etc.,API drill pipe,Seamless API oil casing tube,API oil tubing coupling,Titanium oil pipe,Seamless API oil tube,,petroleum pipe:seamless octg oil casing , oil tubing with api, coupling, pup-joint, drillingl pipes, various oil pump etc.,API drill pipe,Seamless API oil casing tube,API oil tubing coupling,Titanium oil pipe,Seamless API oil tube,
Hebei Boto Pipeline Manufacture & Trade Co., Ltd.
Hebei Boto Pipeline Manufacture & Trade Co., Ltd. is one branch of XinYuanTai Steel Tube Group We mainly operate seamlees steel pipe, ERW, straight seam DSAW, and other common products. are a professional pipe team which the biggest piping manufacturers suppliers in China. can offer you right product, ....
Address:No523YiHeinternational,YunHe district, Cangzhou, HeiBei, China
Product/Service:seamless steel pipes,stainless steel exhaust pipe,steel pipe suppliers,stainless steel tubes,galvanized steel pipe,carbon steel pipes,industrial pipe,spiral steel pipes,astm steel pipes,asme steel pipes,din steel pipes,jis steel pipes,casing pipe,pipe octg casing,oil casing pipe,api casing pipe,casing steel pipes,api oil casing pipe,seamless casing pipe,pipe line,pipe production line,lined steel pipe,seamless steel line pipes,api line pipe,api 5l line pipe,erw line pipe,gas pipe line,pipe extrusion line,china steel pipes,Tubing Pipe,Welded Steel Pipe,Line Pipe,Carbon Steel Pipe,Stainless Steel Pipe,,seamless steel pipes,stainless steel exhaust pipe,steel pipe suppliers,stainless steel tubes,galvanized steel pipe,carbon steel pipes,industrial pipe,spiral steel pipes,astm steel pipes,asme steel pipes,din steel pipes,jis steel pipes,casing pipe,pipe octg casing,oil casing pipe,api casing pipe,casing steel pipes,api oil casing pipe,seamless casing pipe,pipe line,pipe production line,lined steel pipe,seamless steel line pipes,api line pipe,api 5l line pipe,erw line pipe,gas pipe line,pipe extrusion line,china steel pipes,Tubing Pipe,Welded Steel Pipe,Line Pipe,Carbon Steel Pipe,Stainless Steel Pipe,
UNI TUBE LTD
UNI TUBE LTD was a joint-venture enterprise, established in September, 2008, located hekou economic development zone, dongying city, Shandong province, China. It has an area of 104280 square meters with 13 million total invest amount and 8 millionUS Dollars registered capital. The traffic here is quite ....
Address:Hekou Economic Development Zone, Dongying, Shandong, China
Product/Service:tubing, api 5ct tubing, api 5ct oil tubing, water pipe, oil pipe, oil tubing, stainless steel tubing, api tubing, steel tubing, octg tubing, petroleum tubing, pipes, casing pipe, casing api 5ct, petroleum casing pipe, steel casing pipe, oct, oil casing pi,API Tubing Pipe,API carbon steel casing pipe,Seamless Casing Pipe,Pup Joint,Line Pipe,,tubing, api 5ct tubing, api 5ct oil tubing, water pipe, oil pipe, oil tubing, stainless steel tubing, api tubing, steel tubing, octg tubing, petroleum tubing, pipes, casing pipe, casing api 5ct, petroleum casing pipe, steel casing pipe, oct, oil casing pi,API Tubing Pipe,API carbon steel casing pipe,Seamless Casing Pipe,Pup Joint,Line Pipe,
Bestar Steel Co., Ltd
Bestar Steel Co., Ltd, subsidiary company under Shinestar Group, specialize in providing and exporting seamless steel pipes with high performance-price ratio, including OCTG pipes, oil casing tubing, gas transmission pipelines, boiler tubes line pipe for machining use, automotive axle housing tube, ....
Address:No 9 Xiangfu Road, Changsha, Hunan, China
Product/Service:all kinds of seamless steel pipes and tubes: octg pipes, oil casing and tubing, oil and gas transmission pipelines, boiler tubes and pipes, line pipe for machining use, automotive axle housing tube, etc.,HIC / SSC PSL2 X52 Line pipe LSAW carbon steel pipe,OCTG Casing API 5CT,Api 5ct oil casing pipe,Seamless steel Pipe API 5L X42/X46/X52/X56/X60/X65 PSL1/PSL2,Seamless steel pipe API 5L X42 SCH40,Boiler steel tube ASTM A179/ASTM A192/ASTM A210,Seamless steel Line Pipe for oil and gas transmission,API 5CT OCTG Casing Steel Pipe,Api k55 oil casing pipe,API 5L SMLS/WELD Line Pipe PSL1/PSL2,,all kinds of seamless steel pipes and tubes: octg pipes, oil casing and tubing, oil and gas transmission pipelines, boiler tubes and pipes, line pipe for machining use, automotive axle housing tube, etc.,HIC / SSC PSL2 X52 Line pipe LSAW carbon steel pipe,OCTG Casing API 5CT,Api 5ct oil casing pipe,Seamless steel Pipe API 5L X42/X46/X52/X56/X60/X65 PSL1/PSL2,Seamless steel pipe API 5L X42 SCH40,Boiler steel tube ASTM A179/ASTM A192/ASTM A210,Seamless steel Line Pipe for oil and gas transmission,API 5CT OCTG Casing Steel Pipe,Api k55 oil casing pipe,API 5L SMLS/WELD Line Pipe PSL1/PSL2,
Zhangjiakou Haite Steel Pipe Co., Ltd
Zhangjiakou High-Tech Steel Pipe Co., Ltd is one of the earliest manufacturers specializing in producing precision steel tubes for automobile, oil casing petroleum and natural gas, drilling liquid service, as well other high strength welded tubes. The company has passed ISO 9001:2000 certification API ....
Address:NO.18 Yumin, Beijing, Beijing, China
Product/Service:erw stee pipe, oil tubing and casing,OCTG Tubing and Casing,API OCTG,API 5CT casing,API 5CT tubing,Erw steel pipe,,erw stee pipe, oil tubing and casing,OCTG Tubing and Casing,API OCTG,API 5CT casing,API 5CT tubing,Erw steel pipe,
Nomis Energy Service Limited
Nomis Energy Service Limited, founded in 2000, is a global technology-based supplier of equipment, system and service for oil & gas, refinery petrochemical offshore industries. Technical competence, comprehensive expertise broad range equipments, combined with rich engineering experience good ....
Address:Rm 2004,Unit 2,Building 3,MERRY FUN, Beijing, Beijing, China
Product/Service:equipment, system and service for oil & gas, refinery & petrochemical and offshore industries, drilling rig, mud pump, drill bit, well control, well head, drill equipment, production equipment, octg and down hole tools etc,Line pipe,Trailer -mounted Drilling Rig,Drill collar,Mud pump,OCTG (casing, tubing, oil pipeline),,equipment, system and service for oil & gas, refinery & petrochemical and offshore industries, drilling rig, mud pump, drill bit, well control, well head, drill equipment, production equipment, octg and down hole tools etc,Line pipe,Trailer -mounted Drilling Rig,Drill collar,Mud pump,OCTG (casing, tubing, oil pipeline),
Hangzhou Kepoo Steel Co. Ltd
Hangzhou Kepoo steel Co., Ltd. Is a modern professional industry and trade combined enterprise, specializing in producing trading high-precision thick-wall seamless pipes. We are one of the first to adopt restriction mandrel rolling mill for ASSEL 80mm enhanced tubes China. Our products widely include ....
Address:Gongshu District, Hangzhou, Zhejiang, China
Product/Service:seamless pipe, seamless carbon steel pipe, tubing and casing, seamless steel tubes for cylinder, seamless hot-rolles steel tubes for automobile, pipe & tube for ship, tube for structures for pipelines,Seamless Carbon Steel Pipe,Seamless OCTG casing and Tubing,Carbon Seamless Steel Pipe (ASTM A106 GR. B 219*10MM),Hot rolled seamless carbon steel tubing,Seamless Steel Tube for Structures,Seamless Fluid Conveying Tubes,Seamless Steel Pipe,Carbon Seamless Steel Pipe,Carbon Seamless Steel Pipes (51*10),Mild Steel Seamless Steel Pipe (32.2*6.2-355.6*55),,seamless pipe, seamless carbon steel pipe, tubing and casing, seamless steel tubes for cylinder, seamless hot-rolles steel tubes for automobile, pipe & tube for ship, tube for structures for pipelines,Seamless Carbon Steel Pipe,Seamless OCTG casing and Tubing,Carbon Seamless Steel Pipe (ASTM A106 GR. B 219*10MM),Hot rolled seamless carbon steel tubing,Seamless Steel Tube for Structures,Seamless Fluid Conveying Tubes,Seamless Steel Pipe,Carbon Seamless Steel Pipe,Carbon Seamless Steel Pipes (51*10),Mild Steel Seamless Steel Pipe (32.2*6.2-355.6*55),
Great Wall Energy International Limited
Great Wall Energy International Limited was started in 2005 with a few specialty oil tools and lot of great ideas. It dedicated to the development integration new technology into innovative production well service equipment. Oilfield Equipment: Drilling Rig, Workover Pumping Unit, Sucker Rod, Oil ....
Address:daqing, Puyang, Henan, China
Product/Service:drilling rig, workover rig, pumping unit, sucker rod, oil tubing and casing pipe, water tank, power tong, elevator, slip,,OCTG Casing /Tubing Pipe,Non-welded bow spring casing centralizer,,drilling rig, workover rig, pumping unit, sucker rod, oil tubing and casing pipe, water tank, power tong, elevator, slip,,OCTG Casing /Tubing Pipe,Non-welded bow spring casing centralizer,
Shengqing Petroleum Equipment Co., Ltd
Shengqing Petroleum Equipment Co., ltd is an enterprise of production and sales petroleum machinery equipment accessories.It located in Shengli Oilfield, where the second largest oilfield china. mainly manufactures sells : 1.Oil Equipment: Pumping Unit, Sucker rod, rod pump 2.Wellhead Device ....
Address:No.676 Yellow River Road, Dongying, Shandong, China
Product/Service:oilfield casing, oilfield tubing, sucker-rod, sucker-rod pump, pumping unit, wellhead device &tools, blowout preventer, casing head, tubing head, manifold, oilfield vavles, oilfield elevator, oilfield elevator link, drilling tong, oilfield slip,OCTG/casing/tubing/line pipe,API spec 8A Swilvel for drilling rig,API16A/API6A DRILLING SPOOL/FLANGED CROSS,API16 A drilling spool,API 6A 6D NACE MR0175 Choke valve/Adjustable cage choke valve,Wellhead device & X-mas tree,API 6A/6D NACE M0175 Gate valve,Oilfield elevator /oilfield slip,Ram blowout preventer,Annular Blowout preventer,,oilfield casing, oilfield tubing, sucker-rod, sucker-rod pump, pumping unit, wellhead device &tools, blowout preventer, casing head, tubing head, manifold, oilfield vavles, oilfield elevator, oilfield elevator link, drilling tong, oilfield slip,OCTG/casing/tubing/line pipe,API spec 8A Swilvel for drilling rig,API16A/API6A DRILLING SPOOL/FLANGED CROSS,API16 A drilling spool,API 6A 6D NACE MR0175 Choke valve/Adjustable cage choke valve,Wellhead device & X-mas tree,API 6A/6D NACE M0175 Gate valve,Oilfield elevator /oilfield slip,Ram blowout preventer,Annular Blowout preventer,
Shandong Baolu Metallic Material Co., Ltd.
Established in 2002, Shandong Baolu Metallic Material Co., Ltd. is a professional provider serving oil fields and petrifaction enterprises. We have in-house warehouse covering an area of 60,000 square meters another 60,000-square-meter for outdoor warehouse. With powerful technical financial ....
Address:Jingshi, Jinan, Shandong,China, China
Product/Service:tubing,casing,line pipe,drill pipe,steel pipe,erw pipe,octg pipe,seamless steel pipes,Casing Pipe,Hexagonal Kelly,Heavy Drill Pipe,Drill Collar,Drill Pipe,,tubing,casing,line pipe,drill pipe,steel pipe,erw pipe,octg pipe,seamless steel pipes,Casing Pipe,Hexagonal Kelly,Heavy Drill Pipe,Drill Collar,Drill Pipe,
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