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Ductile Iron Air Valve Manufacturers & Suppliers

Ductile Iron Air Valve Total 437 manufacturers & suppliers found with 1,311 products

HENAN CONDOR MACHINERY IMP.& EXP. CO., LTD

China Supplier - Gold MemberSince 2024

Suppliers with verified business licenses

4.0
Plant Area180
Plant Area
Number of Employees5
Number of Employees
Trading Company
Fire Gate Valve , Fire Check Valve , Water Flow Detector , Tapmer Switch Sprinkler , Water Tank
OEM, ODM, Own Brand
Zhengzhou, Henan
  • UL FM Grooved Butterfly Valve (Gear actuator & tamper switch)
    US$ 30 / Set
    5 Sets (MOQ)
  • Fire Fighting UL/FM Approved Ductile Iron Valves Manufacturer 2"-12" Gate Valve
    US$ 70 / Set
    5 Sets (MOQ)
  • Fire Fighting UL/FM Approved Ductile Iron Valves Manufacturer 2"-12" Groove Gate Valve
    US$ 56 / Set
    5 Sets (MOQ)

RST VALVE GROUP CO., LTD.

China Supplier - Diamond MemberSince 2016

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Number of Employees111
Number of Employees
Manufacturer/Factory , Trading Company
Industrial Valves
Own Brand, ODM, OEM
ISO 9001, ISO 14001
  • Ductile Cast Iron Butterfly Valve Wafer Type D71X
    US$ 16 / Piece
    10 Pieces (MOQ)
  • API594/DIN/ASME Stainless Steel/Carbon Steel 150lb/300LG/Pn16 Flange End Swing Check Valve
    US$ 32 / Piece
    10 Pieces (MOQ)
  • Stainless Steel Spring Vertical Non Return Thread/Screwed Check Valve (200psi)
    US$ 4.76 / Piece
    10 Pieces (MOQ)

Qingdao Tianhua Yihe Foundry Factory

China Supplier - Diamond MemberSince 2007

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Manufacturer/Factory
Custom Metal Fabrication Parts , Custom Metal Welding Parts , Metal Stamping Parts , Metal Machining Parts , Cast Iron/Steel/Stainless Steel/Aluminum Casting
OEM, ODM
ISO 9001, HSE, ASME
  • Investment Cating/Lost Wax Casting/Precision Casting Valve Parts for OEM Order
    US$ 1 / Piece
    100 Pieces (MOQ)
  • Stainless Steel Precision Casting for Valve Parts
    US$ 1 / Piece
    100 Pieces (MOQ)
  • Stainless Steel Precision Casting for Valve Parts
    US$ 1 / Piece
    100 Pieces (MOQ)

Baoding Xinlongtongda Trade Co., Ltd.

China Supplier - Diamond MemberSince 2010

Suppliers with verified business licenses

5.0
Plant Area313
Plant Area
Number of Employees20
Number of Employees
Trading Company
worm shaft and worm wheel , gear , worm shaft and gear wheel , heat valve , roller
OEM, Own Brand
ISO 9001, ISO 9000, IATF16949
  • Die Casting Aluminum Valves
    US$ 1.1 / Piece
    110 Pieces (MOQ)
  • China Supplier Forged Parts Brass Valve with Machining
    US$ 1 / kg
    100 kg (MOQ)
  • Foundry Customized Aluminum Alloy Die Casting Valve
    US$ 1 / kg
    10 kg (MOQ)

BETTER DRILLING FLUID SOLUTION LIMITED

China Supplier - Gold MemberSince 2019

Suppliers with verified business licenses

4.0
Plant Area2000+
Plant Area
Manufacturer/Factory , Trading Company
Mission /Mcm Pump and Parts , Solid Control Equipment , Flowline Control Fittings , Demco Butterfly Valve , Kemper Hammerseal Union
OEM, Own Brand
ISO 9001, ISO 9000, ISO 20000, ISO 14064
  • Better Demco Style Butterfly Valves Wafer Type Equivalent to Cameron Mudking Demco Bfv
    Negotiable
    100 Pieces (MOQ)
  • Dm Butterfly Valve Ne-C, Ne-D, Ne-I Style Wafer/Lug Type Mudking
    Negotiable
    1 Piece (MOQ)
  • Better Ne-I Butterfly Valves Wafer Type
    US$ 25 / Piece
    100 Pieces (MOQ)

Mengyin Wanhai Machinery Equipment Co., Ltd.

China Supplier - Diamond MemberSince 2023

Suppliers with verified business licenses

5.0
Manufacturer/Factory
Water Well Drilling Rig , Core Drilling Rig , Exploration Drilling Rig , Drill Truck , Photovoltaic Drilling Rig
OEM, ODM, Own Brand
Response Time≤3h
  • Resilient Seal Replacement China Manual Ductile Iron Knife Gate Valve
    US$ 700 / Piece
    1 Piece (MOQ)
  • Ductile Iron Forged Threaded Dry Water 6-Inch Gate Valve 6-Inch Price List
    US$ 700 / Piece
    1 Piece (MOQ)

Ningbo Jiekelong Precision Manufacturing Co., Ltd.

China Supplier - Gold MemberSince 2011

Suppliers with verified business licenses

4.0
Plant Area2000+
Plant Area
Number of Employees334
Number of Employees
Manufacturer/Factory , Trading Company
Brass Valve , Brass Gate Valve , Bibcock , Brass Faucet , Valve
Own Brand, ODM, OEM
ISO9001:2015, ISO14001:2015, ISO45001:2016
  • Ductile Iron Cast Iron Gate Valve Wra Resilient Seated Industrial Control Gate Valve
    US$ 10.99 / Piece
    500 Pieces (MOQ)
  • Factory Stainless Steel Brass Bronze Cast Ductile Iron Gate Valve
    US$ 10.99 / Piece
    500 Pieces (MOQ)

HEBEI HONGCHENG PIPE FITTINGS CO., LIMITED

China Supplier - Gold MemberSince 2020

Suppliers with verified business licenses

4.0
Plant Area2000+
Plant Area
Manufacturer/Factory , Trading Company
Pipe Fitting , Flange , Valve , Carbon Steel Pipe , Gasket
OEM, ODM
ISO 9001, ISO 14001, OHSAS/ OHSMS 18001, HSE, ASME...
  • ANSI B 16.10 Ss 304 Swing Type Check Valve
    US$ 10 / Piece
    1 Piece (MOQ)
  • ANSI B 16.10 Ss 304 Hydraulic Butterfly Valve
    US$ 10 / Piece
    1 Piece (MOQ)

Shandong Youzeshi International Trading Co., Ltd

China Supplier - Gold MemberSince 2023

Suppliers with verified business licenses

4.0
Plant Area115
Plant Area
Number of Employees7
Number of Employees
Trading Company
Car Accessories , Car Stickers , Car Emblem , Cotton Slippers
Others
within 15 workdays
  • Hydraulic Valve/ Hydraulic Control Valve
    US$ 85 / Piece
    100 Pieces (MOQ)
  • Multifunctional Hydraulic Control Valve
    US$ 100 / Piece
    100 Pieces (MOQ)

Yueqing Right Pneumatic Co., Ltd.

China Supplier - Diamond MemberSince 2011

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Number of Employees39
Number of Employees
Manufacturer/Factory , Trading Company
Pneumatic Cylinders , Pneumatic Valve , Air Source Treatment , Pneumatic Fittings , Pneumatic Hose
ODM, OEM, Own Brand
within 15 workdays
  • Pneumatic Actuated Wafer Type Ductile Iron Centre Sealing Butterfly Valve
    US$ 1 / Piece
    1 Piece (MOQ)

Flk Pipeline Co., Limited

China Supplier - Diamond MemberSince 2023

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Manufacturer/Factory , Trading Company , Group Corporation
Ss Pipe , Stainless Steel Seamless Steel Pipe , Steel Pipe , Welded Tube , Stainless Steel Thick-Walled Tube
OEM, ODM
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
  • 6-Inch Stainless Steel CF8m Pneumatic Fluorine-Lined Ball Valve with Mounting Flange Pneumatic Control Valve
    US$ 18.5 / Piece
    1 Piece (MOQ)

Qingdao Boxu Metal Products Co., Ltd.

China Supplier - Gold MemberSince 2022

Suppliers with verified business licenses

4.0
Plant Area2000+
Plant Area
Number of Employees21
Number of Employees
Manufacturer/Factory , Trading Company
Muffler , Exhaust Pipe
Own Brand, ODM, OEM
ISO 9001
  • Factory Price DN400-DN1000 Compressed Air Fuel Wafer Check Valve
    US$ 1700 / DN
    400 DN (MOQ)
Manufacturer/Factory
Cast Iron Gate Valve , Resilient Seat Gate Valve , Gate Valve , Water Meter , Big Size Smart Water Meter
OEM, ODM, Own Brand
ISO 9001
  • Sfva Brand Good Quality Ductile Iron Ggg50 Pn16 Quick Automatic Air Pressure Release Valve
    US$ 100 / Set
    100 Sets (MOQ)

Shandong Zhongli High Pressure Valve Co., Ltd.

China Supplier - Gold MemberSince 2020

Suppliers with verified business licenses

4.0
Plant Area1000
Plant Area
Manufacturer/Factory , Trading Company
Knife Gate Valve , Gate Valve , Globe Valve , Check Valve , Flap Valve
OEM, ODM, Own Brand
ISO 9001, ISO 9000, ISO 14001, OHSAS/ OHSMS 18001
  • 2-14" Stainless Steel Wcb Vacuum Valve Flapper Valve Knife Gate Valve
    US$ 30 / Set
    1 Set (MOQ)

Zhejiang Galaxy Machinery Manufacture Co., Ltd.

China Supplier - Gold MemberSince 2007

Suppliers with verified business licenses

4.0
Plant Area2000+
Plant Area
Number of Employees31
Number of Employees
Manufacturer/Factory , Trading Company
Fuel Pump , Submersible Pumps , Fuel Nozzle , Electric Pumps , Emergency Shut-off Valve
ODM, OEM, Own Brand
ISO9001:2015, ISO14001:2015
  • China Anti-Siphon Valve for Oil Tank
    Negotiable
    200 Pieces (MOQ)

Zhejiang Zhongguan Valve Manufacture Co., Ltd

China Supplier - Diamond MemberSince 2023

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Number of Employees2
Number of Employees
Manufacturer/Factory , Trading Company
Wafer Type Resilient Butterfly Valve , Lug Type Resilient Butterfly Valve , U-Section Resilient Butterfly Valve , Flange Resilient Butterfly Valve , Other Water Treatment Valve
OEM, Own Brand
ISO9001:2015, ISO14001:2015
  • Resilient Seated Concentric Type Ductile Cast Iron Industrial Control U-Section Butterfly Valves with EPDM PTFE PFA Rubber Lining
    US$ 150 / Piece
    1 Piece (MOQ)
  • DN50-DN1200 Ductile Iron Concentric Flanged Butterfly Valve Water System
    US$ 10 / Piece
    10 Piece (MOQ)
  • DIN BS ANSI Wcb Body EPDM Seated Wafer Butterfly/Lug Butterfly Valve/Electric Actuator Pneumatic Actuator Worm Gear Double Flange Butterfly Valve
    US$ 100 / Piece
    10 Piece (MOQ)

Qingdao HQ Import & Export Co., Ltd.

China Supplier - Diamond MemberSince 2013

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Manufacturer/Factory , Trading Company
Pipe Fittings , Flanges , Valves , Pipe Hangers and Clamps , Pipe Nipples
OEM, ODM
ISO 9001
  • Wafer/Lug/Swing/Grooved End Flanged Type Cast Iron/Stainless Steel Butterfly/Check/Ball Valve for Water Fire Fighting
    US$ 10 / Set
    10 Sets (MOQ)
  • API ANSI DIN JIS Pn10 Pn16 Cast Iron Stainless Steel Wafer Butterfly Valve
    US$ 10 / Piece
    10 Pieces (MOQ)
  • Grooved End Swing Check Valve
    US$ 20 / Piece
    1 Piece (MOQ)

Jiangsu Shoulong Valve Co., Ltd.

China Supplier - Diamond MemberSince 2019

Suppliers with verified business licenses

5.0
Plant Area1000
Plant Area
Manufacturer/Factory , Trading Company
Pneumatic Ball Valve , Pneumatic Actuator , Electric Ball Valve , Electric Actuator , Manual Ball Valve
OEM, Own Brand
Response Time≤3h
  • Ductile Iron /Stainless Steel SS304/SS316 EPDM Seat Pressure 150lb/300lb/Pn16/Pn25 Valves on-off Type Electric Flange Butterfly Valve
    US$ 40 / Set
    1 Set (MOQ)
  • Di /SS304/SS316 ANSI 150lb/300lb/JIS10/20K Double Acting/Single Acting Pneumatic Flange Butterfly Valve
    US$ 50 / Set
    1 Set (MOQ)
  • Ductile Iron Body SS304 Disc EPDM Seat Pneumatic Wafer Butterfly Valve
    US$ 30 / Set
    1 Set (MOQ)

Jinjiang Hengcheng Machinery Manufacturing Co., Ltd.

China Supplier - Gold MemberSince 2023

Suppliers with verified business licenses

4.0
Number of Employees2
Number of Employees
Manufacturer/Factory , Trading Company
Steam Traps , Pressure Reducing Valves
within 15 workdays
Quanzhou, Fujian
  • FT14 Lever Ductile Iron Floating Ball Steam Flange Drain Valve
    US$ 120 / Piece
    1 Piece (MOQ)
  • Flange Type Swing Ductile Iron Check Steam Trap Valve
    US$ 380 / Piece
    1 Piece (MOQ)
  • New Type Ductile Iron Nodular Cast Iron Carbon Steel Digital Static Balancing Valve /Self Operated Flow Balancing Valve
    US$ 55 / Piece
    1 Piece (MOQ)

Funagan (Tianjin) Valve Co., Ltd.

China Supplier - Diamond MemberSince 2024

Suppliers with verified business licenses

5.0
Plant Area1500
Plant Area
Number of Employees10
Number of Employees
Manufacturer/Factory , Trading Company
Valve
ODM, OEM, Own Brand
ISO9001:2015, ISO14001:2015
  • Permeable Through a Variety of Media Durable Plastic Clamp Butterfly Valve with Good Sealing Performance
    US$ 10 / Piece
    10 Pieces (MOQ)
  • Permeable Through a Variety of Media Serviceable UPVC Plastic Butterfly Valve with Strong Corrosion Resistance
    US$ 10 / Piece
    10 Pieces (MOQ)
  • Serviceable Corrosion-Resistant UPVC Turbine Flanged Butterfly Valve of The Highest Quality
    US$ 10 / Piece
    10 Pieces (MOQ)

Cangzhou Huipu Trading Co., Ltd.

China Supplier - Diamond MemberSince 2023

Suppliers with verified business licenses

5.0
Plant Area500
Plant Area
Manufacturer/Factory , Trading Company
Special Equipment for Environmental Protection , Dustbin , Light , Bollard , Bench
OEM, ODM
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000
  • Water Hammer Arrestor Ductile Iron Hydraulic Piston Type Valve
    US$ 20 / Piece
    1 Piece (MOQ)
  • Ductile Iron Piston Safety Relief Valves Professional Flange Water Hammer Eliminator
    US$ 20 / Piece
    1 Piece (MOQ)
  • Hydraulic Piston Type Stainless Steel Water Hammer Absorber Control Valve
    US$ 20 / Piece
    1 Piece (MOQ)

Dongying Lake Petroleum Technology Co., Ltd.

China Supplier - Diamond MemberSince 2021

Suppliers with verified business licenses

5.0
Plant Area125
Plant Area
Number of Employees23
Number of Employees
Trading Company
Liner , Piston , Extension Rod , Pulsation Dampener , Valve Assy
OEM, ODM
Nil
  • Wafer & Lugged Butterfly Valves with High Quality
    US$ 15 / Piece
    1 Piece (MOQ)
  • Butterfly Valve, Bare Shaft Butterfly Valve, PTFE Seated Butterfly Valve
    Negotiable
    1 Piece (MOQ)
  • DN800 Qt500 Double Offset Butterfly Valves with Electric N Worm
    Negotiable
    1 Piece (MOQ)

Wuxi Xinyi Automatic Machinery Factory

China Supplier - Gold MemberSince 2020

Suppliers with verified business licenses

4.0
Plant Area2000
Plant Area
Number of Employees22
Number of Employees
Manufacturer/Factory
Pneumatic Valve
ODM, OEM
ISO 9001
  • Pn16 Flange Wafer Pneumatic Regulating Soft Sealing SS304/316 Body Butterfly Valve
    US$ 33 / Piece
    1 Piece (MOQ)
  • Pn16 EPDM Flange Wafer Pneumatic Regulating Soft Sealing Butterfly Valve
    US$ 33 / Piece
    1 Piece (MOQ)
  • Pn16 Flange Wafer Pneumatic Regulating Soft Sealing SS304/316 Body Butterfly Valve
    US$ 33 / Piece
    1 Piece (MOQ)

Dongfang Yoyik (Deyang) Engineering Co., Ltd.

China Supplier - Gold MemberSince 2023

Suppliers with verified business licenses

4.0
Plant Area500
Plant Area
Manufacturer/Factory , Trading Company
Spare Parts for Power Plants , Steel Mill , Steam Turbines , Generators , Boiler
OEM, ODM, Own Brand
ISO 9001
  • HQ14.01Z stainless steel Hydraulic High pressure Shutoff Globe Valve
    US$ 50 / Piece
    1 Piece (MOQ)
  • J20f1.6p Safe Sealing Oil System Different Size Stainless Steel Bellows Globe Valve
    US$ 50 / Piece
    1 Piece (MOQ)
  • J41h-16c DN100 Energy Saving Hydraulic System Bellows Sealed Steel Shutoff Globe Valve
    US$ 50 / Piece
    1 Piece (MOQ)

Hebei Xukang Meter Manufacturing Co., Ltd.

China Supplier - Gold MemberSince 2013

Suppliers with verified business licenses

4.0
Plant Area2000+
Plant Area
Manufacturer/Factory , Trading Company
Level Gauge , Flow Meter , Relex Level Gauge , Sight Glass , Strainer and Filter
OEM, ODM, Own Brand
Response Time≤3h
  • Butterfly Valves-Wafer Butterfly Valve-Butterfly Valve Lug Type
    US$ 200 / Piece
    1 Piece (MOQ)
  • Flange Type API Wcb SS304 Ductile Iron Worm Gear Gate Valve
    US$ 50 / Piece
    1 Piece (MOQ)
  • Large Volume Combination Air Release Valve/ 3 Functions Air Vent
    US$ 300 / Piece
    1 Piece (MOQ)

Lianke Valve Co., Ltd

China Supplier - Diamond MemberSince 2022

Suppliers with verified business licenses

5.0
Plant Area1000
Plant Area
Manufacturer/Factory
Flange Ball Valve , Pinch Valve , Strainer , Lined Valve , Stainless Steel Valve
OEM
ISO 9001
  • Corrosion Resistance Control Valves Pneumatic Pinch Valve for Mining Industry DN100
    US$ 30 / Set
    5 Sets (MOQ)
  • Corrosion Resistance Control Valves Pneumatic Pinch Valve for Mining Industry
    US$ 30 / Set
    5 Sets (MOQ)
  • Corrosion Resistance Control Pneumatic Pinch Valve
    US$ 30 / Set
    5 Sets (MOQ)

Hangzhou Star Marine Technology Co., Ltd

China Supplier - Gold MemberSince 2024

Suppliers with verified business licenses

4.0
Plant Area35
Plant Area
Number of Employees4
Number of Employees
Trading Company
Marine Part , Marine Valve , Anchor Chain , Anchor Windlass , Marine Window
ODM, OEM
Response Time≤3h
  • Bronze Marine Valve Check Valve Wafer Lug Type Butterfly Ball Globe Valve
    US$ 50 / Piece
    1 Piece (MOQ)
  • Marine EPDM Aluminum Bronze Stainless Steel Electric Hydraulic Pneumatic Wafer Butterfly Valve
    US$ 50 / Piece
    1 Piece (MOQ)
  • Marine JIS EPDM Bronze Stainless Steel Electric Hydraulic Pneumatic Wafer Butterfly Valve
    US$ 50 / Piece
    1 Piece (MOQ)

WOR-BIZ INDUSTRIAL PRODUCT CO., LIMITED (ANHUI)

China Supplier - Diamond MemberSince 2020

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Number of Employees45
Number of Employees
Trading Company
Floor drain , Shower drain , Gas fuel pipe , Pet products
ODM, OEM
ISO9001:2015
  • CS Trademark 2 1/4'' Brass Drain Check Valve for Water Heaters
    US$ 1.8 / Piece
    2000 Pieces (MOQ)
  • Brass Water Heater Drain Valve with High Quality
    US$ 1.8 / Piece
    2000 Pieces (MOQ)
  • Water Heater Drain Valves Made of Brass with Excellent Quality
    US$ 1.8 / Piece
    2000 Pieces (MOQ)

Zhejiang Lianghai Valve Co., Ltd

China Supplier - Diamond MemberSince 2023

Suppliers with verified business licenses

5.0
Plant Area2000
Plant Area
Manufacturer/Factory
Ball Valve , Gate Valve , Globe Valve , Check Valve , Butterfly Valve
OEM, ODM, Own Brand
ISO 9001
  • Lh Valve Dl/Ductile Iron/Cast Iron Qt450 Soft Sealing Gate Valve Pn10/16/25/40/64
    Negotiable
    5 Pieces (MOQ)
  • Ductile Iron Large Size Non-Rising Stem Soft Seal Gate Valve EPDM/NBR
    Negotiable
    5 Pieces (MOQ)
  • Ductile Iron Qt450 Non-Rising Stem Soft-Sealing Gate Valve with Electric Actuator
    Negotiable
    5 Pieces (MOQ)

Zhejiang J-Valves Fluid Equipment Co., Ltd.

China Supplier - Diamond MemberSince 2019

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Manufacturer/Factory , Trading Company
Ball Valve , Gate Valve , Globe Valve , Check Valve , Butterfly Valve
OEM, ODM, Own Brand
Response Time≤3h
  • J-Valves Wafer Type Butterfly Valve with Ductile Iron Coated Disc
    US$ 16 / Piece
    1 Piece (MOQ)
  • J-Valves Stainless Steel CF8/CF8m/CF3/CF3m Cast Iron Wafer Type Lug Manual Butterfly Valve
    US$ 15 / Piece
    1 Piece (MOQ)
  • J-Valves Stainless Steel CF8/CF8m/CF3/CF3m Soft Seal Centerline Wafer Butterfly Valve 150lb/Pn16/JIS10K
    US$ 15 / Piece
    1 Piece (MOQ)
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Business Type

Manufacturer/Factory (360) Trading Company (304) Group Corporation (25) Individuals/SOHO (1) Other (8)

Management Certification

ISO 9001 (260) ISO 14001 (118) ISO 9000 (83) ISO9001:2015 (60) IATF16949 (52) OHSAS/ OHSMS 18001 (50) ISO 14000 (49) Others (32) ISO 20000 (31) ISO14001:2015 (28) HSE (28) ISO 14064 (26) BSCI (25) QC 080000 (21) GMP (20) ASME (16) ANSI/ESD (11) WRAP (8) BS 25999-2 (7) ISO 10012 (6) QHSE (6) ISO 50001 (6) ISO45001:2016 (5) PAS 28000 (5) ISO 13485 (5) ISO 22000 (5) BRC (5) EICC (5) HACCP (4) QSR (4) AIB (4) SA 8000 (4) BREEAM (4) ISO 29001 (4) HQE (4) SHE Audits (4) ISO 17025 (4) SEDEX (4) ISO9001:2008 (3) GAP (3) LEED (3) FSC (3) IFS (3) OHSAS18001:2007 (1) More

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No. of Employees

5-50 People (108) 51-200 People (52) Less than 5 People (8) 201-500 People (7) Above 1000 People (3) 501-1000 People (3) More

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Shandong (97) Zhejiang (92) Jiangsu (49) Hebei (40) Tianjin (34) Shanghai (26) Guangdong (20) Henan (16) Anhui (14) Fujian (10) Liaoning (9) Beijing (8) Shanxi (8) Hubei (5) Sichuan (2) Chongqing (2) Hunan (2) Shaanxi (1) Hainan (1) Jilin (1) More