Cenfirm Petroleum Machinery Limited

Cenfirm was founded in Dongying, China, which covers an area of thirty thousand square meters. It is a professional enterprise which design and produce casing centralizer, sucker rodcentralizerand cable protector.

Cenfirm has a number of independent researches and development of products. 3D design and modular design concept, shorten the product development cycle to ensure that the promotion of generation and development. The testing lab is equipped with electronic universal testing machine, hardness tester and automatic impact testing machine, to control the quality of raw material and products.

Our vision is to provide high quality and effective solution for the oil field downhole operations. Our products have been sold to the domestic onshore/offshore oilfield, and overseas countries such as USA, Canada, Russia, Mexico, Argentina etc.

Products:

	Welded Bow Spring Centralizers	Welded Bow Spring Centralizers Welded bow-spring centralizersprovide excellent downhole durability and performance. These centralizers feature hea...
	Rigid Positive Centralizer	Rigid Positive Centralizer Positive bow centralizeris used for both casing and tubing applications that require concentric casing strings. In devi...
	Roller Centralizer	Roller Centralizer roller centralizersare designed in rigid body with straight or spiral blades. Casing Centralizer, Cementing Centrali...
	Composite Centralizer	Composite Centralizer Composite centralizer is made of advanced composite that has a low coefficient of friction and highly durable. It is develop...
	Rigid Centralizer	Rigid Centralizer Rigid centralizersprovide a wide range of options for casing centralization, from standard vertical well configurations to highl...
	Aluminum-Alloy Centralizer	Aluminum-Alloy Centralizer Aluminum Alloy Centralizercentralizers are made of high-strength, corrosion-resistant cast aluminum. They can be used w...
	Integral Centralizer	Integral Centralizer This One-Piece Centralizer has ultra-high strength without any weak point. The centralizer provides high restoring forces whi...
	Spiral Stamped Centralizer	Spiral Stamped Centralizer Spiral stamped centralizer enables optimal mud displacement for vertical, deviated, and horizontal wells. Special round...
	Sucker Rod Centralizer	Sucker Rod Centralizer Usage The sucker rod centralizer is the eccentic wear prevention downhole tool in the pumping well , which developed by ou...
	Cable Protectors	Cable Protectors(Casting) Control line and ESP cable protectors (Clamps) are used to protect any configuration of ESP cables, control lines or enc...
	Non-welded Semi Rigid Centralizer	Non-welded semi rigid centralizers are specifically designed to increase restoring forces and reduce drag during running and cementing operations...
	Non-welded Semi Rigid Centralizer	Non-welded semi rigid centralizers are specifically designed to increase restoring forces and reduce drag during running and cementing operations...
	Non-welded Semi Rigid Centralizer	Non-welded semi rigid centralizers are specifically designed to increase restoring forces and reduce drag during running and cementing operations...
	Non-welded Bow Spring Centralizer	Non-welded Bow Spring Centralizer Non-welded bow-spring centralizers centralize casing or tubing in the wellbore during running and cementing oper...
	Non-welded Bow Spring Centralizer	Non-welded Bow Spring Centralizer Non-welded bow-spring centralizers centralize casing or tubing in the wellbore during running and cementing oper...
	Non-welded Bow Spring Centralizer	Non-welded Bow Spring Centralizer Non-welded bow-spring centralizers centralize casing or tubing in the wellbore during running and cementing oper...
	Non-welded Bow Spring Centralizer	Non-welded Bow Spring Centralizer Non-welded bow-spring centralizers centralize casing or tubing in the wellbore during running and cementing oper...
	Turbolizer Centralizer	Turbolizer centralizers are designed with deflector blades. The special blades are riveted to heat-treated bows and are designed to deflect fluid...
	Drill Pipe Centralizer	These specially designed centralizers are critical components in inner-string cementing applications. They enable the stinger run on the end of t...
	Drill Pipe Centralizer	These specially designed centralizers are critical components in inner-string cementing applications. They enable the stinger run on the end of t...
	Stop Collar	（Slip on with Set Screws） Installed with set screws.2. Designed for use where higher holding forces are required.3. Stainless steel set screws o...
	Stop Collar	Stop Collar（Hinged with Bolt） Bolt lock mechanism allows for quick and easy installation over casing. Stop Collar Hinged with Bolt, Casing Centra...
	Stop Collar	Stop Collar（Hinged with Bolt） Bolt lock mechanism allows for quick and easy installation over casing. Stop Collar Hinged with Bolt, Casing Centra...
	Snap-On Sucker Rod Centralizer	Application By centralizing the rod, the guide acts as a wear resistant bushing, preventing the rod from wearing through the production tubing. ...
	Sucker Rod Roller Centralizer	Guide Couplings should be installed: 1) On the first two or three rods above the bottom hole pump. 2) Intermittently throughout the rod string ...
	Whole Metal Sucker Rod Centralizer	Usage: Whole metal sucker rod centralizer is a new developed downhole tool for sucker rod pumping well eccentric wear.We are Centralizer Casing ...