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Shandong Keheng Intelligent Equipment Co., Ltd

Shandong Keheng Intelligent Equipment Co., Ltd

Shandong Keheng Intelligent Equipment Co., Ltd

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Shandong Keheng Intelligent Equipment Co., Ltd is a joint-stock company restructured from a state-owned enterprise with a registered capital of 19.6 million yuan and a plant area of nearly 5000 square meters. It has a solid production foundation and strong technical force. Our company is committed to the design and development of ventilation pipe fittings, production and manufacturing, installation and commissioning, after-sales service in one of the integrated enterprises. Main products are spiral duct, duct silencer, air conditioning door and other ventilation pipe fittings and accessories. The company has rich experience in project management, specializing in the production and site...

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Large Round Ductwork Duct Support Bracket Pressed T-vent Ducts Pressed Male Reducer Duct Air Pipe Spiral Aluminum Spiral Duct HVAC Air Duct Damper UB Suspension Clamps Welding Exhaust Duct T-pieces Welded Duct duct muffler silencer Vent Backdraft Damper Round Spiral Ductwork Ventilation Duct Bend Ventilation Duct Hood Rectangular Vent Duct Double Outlet Louvers Round Metal Duct Pipe Stainless Steel Bends Insulated Spiral Duct Air Duct Damper Valve Rain Proof Bends Back Rain Proof Bends Head Pressed Male Reducers Hvac Rectangular Duct Handle Air Vent Damper Four Way Pipe Fittings Ventilation Duct Joint Hvac Ductwork Supplies Pressed Female End Cap Seamed Female Reducers Pressed Reducer Female Clamps for Ventilation Exposed Round Ductwork Spiral Wind Flow Mouth Silencers for Circular Galvanized Spiral Duct Duct Access Door Sizes Vent Barometric Damper Ventilation Duct Clamp Air Duct Volume Damper Commercial Grease Duct Welded Duct & Fittings Exposed Spiral Ductwork Ventilation Pipe Clamps Thermal Insulation Pipe Galvanized Sheet Spiral Pressed Female Reducers vent reducer 6\'\' to 4 Double Wall Spiral Duct 3 Damper Duct Connector range hood duct adapter Air Duct Damper Control 4\'\' to 2 duct reducer Square Fitting For Hvac Ventilation Access Door Pressed Steel Hot Bends Pressed Bends 90 Degree duct reducer 8\'\' to 4 Pressed Bend 90° Short Round Duct and Fittings Ventilation Duct Clamps Pressed Bends 60 Degree Segmented Conduit Bends Square To Round Adaptor Square Ceiling Diffuser Cross Ventilation Vents The Rectangular Silencer Circular Duct Series-006 Round Tubes for Silencer Ventilation Duct Dampers Spiral Ductwork Fittings Spiral Air Duct Fittings rectangular duct lowe\'s Access Door for Ductwork Segmented 90 Degree Bend Exhaust Duct Fire Damper Rectangular Ducts Series Circular Segmented Bends Return Air Vent Silencer Pressed Reducer Male GVH Double Row Supply Grille Other Ducts And Fittings Pressed Bends with Seals Ducting Bends for Spiral Segmented Bend 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Reducer Chemical Desulfurizer Reactor Segmented Pipe Bends Fittings Reactive Desulfurization Tube Double-Row Ventilation Grille Chemical Desulfurization Pipe 90 Degree Elbow Duct Fittings Pre Insulated Spiral Ductwork Rectangular Galvanised Ducting Round Duct Support Clamp Joint Ventilation System Integration Ventilation System Accessories Draft Blocker Backdraft Damper Duct Cross Steel Pipe Fittings HVAC And Ancillary Accessories Mild Steel Elbow Pipe Fittings Carbon Steel Pipe Fitting Bend Round Silencer for Ventilation Ventilation Ducts and Fittings Segmented Pipe Bends and Bends Aluminum Rain Proof Bends Head Ventilation Duct Silencer Joint Rectangular To Round Transition HVAC Attenuator for Ventilation Duct Square to Round Transition Duct Cross for Air Conditioning Spiral Duct Fitting Tee T-Piece Square to Round Duct Transition Ventilation Duct Damper Kitchen 250 Pressed Reducer Male/female Air Duct Silencer Pressure Drop Rectangular Double Branch Bends Pressed Female Reducers on Sale Ventilation Duct Dampers 3 Inch Silencer for Ventilation System T-piece with Rectangular Outlet Stainless Steel Pressed T-Piece Pressed Bends - Stainless Steel Round Duct Support Clamps Metal Access Door for Ventilation Duct Duct Access Doors for Round Duct Access Door for Ventilation Vent Attach Round Duct to Rectangular Rectangular Duct for Ventilation Ventilation Duct Cross Tee Joint Carbon Steel Elbow Pipe Fittings Stainless Steel Clamps For Pipes Pressed Bend 90 90 Degrees Short Rain Proof Bends Head 30 Degrees Square Duct For Ventilation Duct Ventilation Duct Silencer Kitchen Rectangular Dissipative Silencers Pressed Bend 90 Degree with Seals Steel Ducting Coupling Female End Segmented Bend 90 Degrees R Bends 45 Degree Short Radius Pipe Elbow Ventilation Duct Silencer Jointer Pressed Bends and Segmented Bends Ventilation Duct Dampers Ductwork Round Duct Noise Muffler Silencer Steel Pressed Pipes Bends Fitting Wall Mount Air Ventilation System Ventilation Duct Silencer Exhaust Square Duct Rain Proof Bends Head Rectangular Duct to Circular Duct Symmetric T-piece for Ventilation Rain Proof Bends Head Accessories Rectangular Silencers Reduce Noise Round Duct Support Clamps Aluminum Rectangle T-pieces for Ventilation Vanitation Pipe Rectangle T-Pieces Stainless Steel Pipe Fittings Bend Duct Fitting Tee T-Piece 90 Degree Ducting Pressed Bends Flange Elbows Stainless Steel Four-way Valve Tube Air Diffuser for Ventilation System Air Duct Square to Round Transition Square to Round Duct Transition Gas Spiral Ducts for Ventilation System Aluminum Square to Round Duct Parts Stainless Steel Elbow Pipe Fittings 300 GVH Pressed Reducer Male/female Duct Transition Rectangular to Round Spiral Ducts Made of Stainless Steel Pressed Reducer Male for Ventilation Ventilation Pipe Clamps and Brackets Galvanized Steel Spiral Duct Fitting Rectangular To Round Duct Transition Ventilation Duct Access Door Ductmate Square to Round Duct Transition Joint Ventilation System Integration Gehalt Forged Carbon Steel Pipe Fitting Bend Rain Proof Bends For Ventilation Duct Round Duct Support Clamps and Fittings Square to Round Duct Transition Square Steel Pipe Fittings Cross Tee-Four Way Custom Stainless Steel Segmented Bends Stainless Steel Ventilation Duct Damper Square and Rectangular Ceiling Diffuser 90 Degree Bends for Ventilation Systems Ventilation System Integration Hardware Rectangle Silencer for Ventilation Duct Rectangular to Circular Duct Transition RECTANGULAR DUCT NOISE MUFFLER SILENCER Rectangular Air Duct Mufflers/Silencers 60 Degree Bends for Ventilation Systems Inline Duct Fan Noise Reducer Stainless inline silencer for duct noise reduction Pressed Female Reducers for Bending Pipe Aluminum Square to Round Duct Transition Stainless Steel Mandrel Bend Pipe Elbows Access Door for Ventilation Duct Adapter Access Door for Ventilation Duct Anatomy Stainless Steel Silencer for Ventilation HVAC Galvanized Steel Spiral Duct Fitting Pressed Ventilation Reducer Metal Ducting Airflow Ducting Insert Backflow Preventer Access Door for Ventilation Duct Entrance Quick-Fit Transition Rectangular to Round Stainless Steel Ventilation Duct Fittings Stainless Steel Air Duct And Its Fittings installing range hood horizontal vent duct Access Door for Ventilation Duct Connector Short Ventilation Reducer with Rubber Seal Double-row Grilles with Adjustable Louvers Air Conditioning System Four-way Valve Pipe AlnorAir Duct Noise Silencer for Ventilation Eccentric Variable Cross-Section Pant T-piece Hvac Rectangular to Round Transitions Standard Air Conditioning System Ventilation Duct Damper Suitable for Installation into Rectangular Ducts

Categories and Products

Circular Duct Series

Spiral Ducts

Spiral Ducts for Ventilation Pipe

Spiral Industrial Air Ducts

Spiral Pipe (6″-24″) - Air Handling Systems

Heating & Cooling Spiral Metal Duct

Galvanized Steel Spiral Round Circular Air Duct

Dust Collection System Components - Spiral Manufacturing

HVAC Spiral Duct Pipe & Fittings-Sheet Metal Connectors

Spiral Duct of Ventilation Fitting 304SS

Pipe Corrugated Round Duct For Ventilation System

Spiral Duct SUS 304 Stainless Steel

Ventilation Duct Silencer

Custom Silencer for ventilation

silencer for ventilation system

inline silencer for duct noise reduction

Soler & Palau S&P SIL-315 Inline Duct Silencers

Duct Silencer For 12 Inch Circular Ducts

Air Duct Noise Silencer for Ventilation Systems

ventilation duct silencer exhaust system

Pressed Bends

custom Pressed ventilation bends

Custom Stainless Steel Pipe Fitting Bends

Circular pressed bend uninsulated at 90 degrees

Pressed & Fabricated Bends

Circular Pressed Bend Uninsulated

Segmented Bends

Segmented Bends For The Ventilation Pipe

Pressed bends with seals

Customised Mild Steel Tubes,Pipe Bends

Stainless steel elbow fittings

Pressed bend 90 degree short

stainless steel tube bend 45 degree

Stainless Steel Pipe Bend 90 Degree Pipe Fittings

Carbon Steel Pipe Bend API Steel Bend

Stainless steel Elbow Pipe Fittings

Asme Standard Seamless Carbon Steel Pipe Bend

Pressed Female Reducers

Pressed Female Reducers for ventilation

300 GVH 250 Pressed reducer male/female with KEN-LOK

Short ventilation reducer with female end

Pressed reducer male/female GVH

Short ventilation reducer with female connection

Pressed Male Reducers

custom Pressed reducer male

pressed male reducers and fittings

Stainless steel air duct and its fittings

Pressed T-Pieces

Pressed T-Pieces for ventilation system

Basement Air Blower for Drying Air Ventilation System

Two Piece Solid Welded HVAC Duct Elbow

welded stainless steel ductwork

Air to air Recuperator use for ventilation system

Spiral duct for smoke extraction system

T-piece 90 degree duct fitting Galvanized Steel

Galvanized Steel Spiral Duct Fitting Tee T-Piece

Ventilation Duct X-Crosses

Ventilation Duct of The Air Conditioning System

Air conditioning system four-way pipe fittings

Ventilation Cross Tee for Air Conditioning Systems

Duct Cross Steel Pipe Fittings for Air Conditioning

Ventilation Duct Dampers

Backdraft Damper for ventilation

HVAC Damper Manual Volume Damper

ventilation duct fire dampers

air conditioning duct dampers

air duct damper air conditioner regulator

Ventilation Duct Damper for Air Conditioning

air duct fire damper for Air Conditioning

HVAC exhaust duct damper

ventilation duct damper kit

Air vents with air doors for ventilation ducts

exhaust vent with damper

ventilation duct dampers to hvac

Access Doors

access door for Ventilation duct

access door for ventilation duct and vent

access door for ventilation duct access doors

access door for ventilation duct and ventilation

access door for ventilation duct adapter

Ventilation Pipe Clamps

Custom Ventilation Pipe Clamps

High quality custom galvanized pipe clamps

round duct support clamps

round duct support clamps at lowes

round duct support clamp bracket

ventilation pipe clamps and fittings

ventilation pipe clamps aluminium

ventilation pipe clamps galvanized

Rectangular Ducts Series

Rain Proof Bends

Rain Proof Bends for ventilation duct

pipe ventilation duct rain proof bends back

rectangular galvanised ducting Fittings

square duct Pressed Bend 90 Degrees Short

rectangular vent duct rain proof bends head

rectangular Galvanized vent duct rain proof bends head

Rectangular To Round Transition

Rectangular to Round Transition

square to round duct transition

rectangular duct to round

square duct to round duct adapter

square to round duct transition jointer

Square to Round Duct Parts

Rectangle T-pieces

Rectangular T-pieces and crossing T-pieces

T-piece with rectangular outlet

Symmetric t-piece for ventilation

Rectangle Silencer

rectangle silencer and suppressor

Rectangular Duct Silencer for ventilation

Ventilation System Integration

Other Ducts And Fittings

White Square adjustable Diffuser

Double-row ventilation grille with adjustable louvres

Chemical Industry

Fixed bed tubular reactor

About Us

Related Products List

Contact Us

Mobile Phone: +8613780972888
Email: DongTaiST@gmail.com
Address: 28 Jinchuang Road, Penglai, Yantai, Shandong China
Website: https://www.dongtaicolumbus.com

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