Home Supplier Discovery Security & Protection Protective Face Mask

Air Filter Face Mask Manufacturers & Suppliers

Air Filter Face Mask Total 690 manufacturers & suppliers found with 2,070 products

Beijing TDD E-Commerce Co., Ltd.

China Supplier - Diamond MemberSince 2020

Suppliers with verified business licenses

5.0
Annual Revenue5850 Mil
Annual Revenue
Plant Area570
Plant Area
Number of Employees100
Number of Employees
Trading Company
Titanium Dioxide , Titanium Tetrachloride , PVC , Medical Suppliers
Own Brand
Intellectual Property Management System Certificate
  • Bfe99 100% PP Melt Blown for Face Mask Middle Layer
    US$ 5000 / Ton
    1 Ton (MOQ)
  • Bfe99 Melt Blown Nonwoven Fabric for Surgical Face Mask
    US$ 53000 / Ton
    1 Ton (MOQ)
  • Bfe99 Polypropylene Melt-Blown Nonwovens
    US$ 5000 / Ton
    1 Ton (MOQ)

Changzhou Operson Imp. and Exp. Co., Ltd.

China Supplier - Diamond MemberSince 2007

Suppliers with verified business licenses

5.0
Plant Area400
Plant Area
Number of Employees9
Number of Employees
Trading Company
Wounder Dressing; Surgical Tape; Elastic Bandage; Syringe; Labs
OEM, ODM, Own Brand
ISO 9001, ISO 9000, ISO 13485
  • Disposable Non Woven Medical Face Mask (OS5001)
    Negotiable
    100000 Pieces (MOQ)
  • Disposable Face Mask With Active Carboon
    Negotiable
    50000 Pieces (MOQ)
  • Soft and Comfortable 4ply Active Carbon Face Mask
    Negotiable
    50000 Pieces (MOQ)
Manufacturer/Factory , Trading Company
Welding Helmets , Welding Mask , Plastic Welding Mask , Safety Glasses , Safety Helmets
OEM, ODM, Own Brand
within 15 workdays
  • Solar Blackening Welding Large View Sensor Headgear Variable Shade Solar safety Welding Helmets 4 Sensors Auto Darkening with Air Filter Welding Mask
    US$ 3.5 / Piece
    1000 Pieces (MOQ)
  • Powered Air Purifying Respiratory Auto Darkening Welding Helmet with Air Filter for Welding Anti-Dust and Anti-Gas
    US$ 3.5 / Piece
    60 Pieces (MOQ)
  • Color Decal Design Hot Selling Pipeline Air Flow Helmet Welding Mask with Different Color Decal
    US$ 7 / Piece
    60 Pieces (MOQ)
Manufacturer/Factory , Trading Company
Disposable Face Mask , Disposable Medical Face Mask , KN95 Face Mask , FFP2 Face Mask , FFP3 Face Mask
OEM, ODM, Own Brand
ISO 9001
  • Cute Printing Kids KN95 Breathable Protective Face Mask, 5-Layers KN95 Disposable Children Mask for Boy and Girls
    US$ 0.13 / Piece
    2500 Pieces (MOQ)
  • Cute Kids Disposable Earloop KN95 Face Masks Non-Medical Girls Face Masks
    US$ 0.13 / Piece
    2500 Pieces (MOQ)
  • Disposable Protective Mask KN95/N95 White Filtering Half Mask
    US$ 0.06 / Piece
    2000 Pieces (MOQ)
Trading Company
Non-Woven Mask
Yangzhou, Jiangsu
  • Wholesale Disposable Face Mask 3 Ply Mask Protective Mask Non Woven Face Mask
    US$ 0.2 / Piece
    10000 Pieces (MOQ)
  • Disposable Non Woven Dust 3 Ply Kids Respirator Protective Face Mask
    US$ 0.2 / Piece
    10000 Pieces (MOQ)
  • Facial 3 Ply Earloop Face Masks Disposable Face Mask
    US$ 0.2 / Piece
    10000 Pieces (MOQ)
Manufacturer/Factory
Disposable Face Mask , Disposable Medical Face Mask , KN95 Face Mask
OEM, ODM
within 15 workdays
  • Whitelist Factory Non-Woven Designer Earloop Adult Designer 3ply Disposable Face Mask
    US$ 0.015 / Piece
    100000 Pieces (MOQ)
  • China Standard Factory 3ply CE Disposable Face Mouth Mask Fresh Stock with Cheap Price Sale
    US$ 0.013 / Piece
    10000 Pieces (MOQ)
  • China Factory Directly Sale Disposable 3ply Fabric Face Mask
    US$ 0.013 / Piece
    100000 Pieces (MOQ)

Ningbo Yinzhou Iland Imp. & Exp. Co., Ltd.

China Supplier - Gold MemberSince 2018

Suppliers with verified business licenses

4.0
Plant Area92
Plant Area
Number of Employees6
Number of Employees
Trading Company
Security Protection Products
ODM, OEM
ISO 9001
  • Ffp1 Disposable Cymbiform Fold-Flat Dust Mask Face Respirator with Valve Active Carbon
    US$ 0.5 / box
    1000 box (MOQ)
  • Ffp1 Disposable Vertical Fold-Flat Dust Mask Face Respirator with Valve Active Carbon
    US$ 0.7 / box
    1000 box (MOQ)
  • Ffp1 Disposable Mesh Moulded Conical Dust Mask Face Respirator with Valve Active Carbon
    US$ 0.3 / box
    1000 box (MOQ)

Beijing Oksultrasonic Group Co., Ltd

China Supplier - Gold MemberSince 2020

Suppliers with verified business licenses

4.0
Plant Area2000
Plant Area
Manufacturer/Factory , Trading Company
Ultrasonic Generator , Ultrasonic PCB Generator , Ultrasonic Transducer , Ultrasonic Cleaning Transducer , Ultrasonic Welding Transducer
Own Brand
Response Time≤3h
  • Ultrasonic Disposable Surgical Medical Face Mask Making Machine, Nonwoven Face Mask Making Machine
    US$ 1800 / Piece
    1 Piece (MOQ)
  • Integrated Ultrasonic Plastic for Welder Nylon Fabric Filter Bag
    US$ 2600 / Piece
    1 Piece (MOQ)
  • 20kHz Ultrasonic Welding Machine for Welding PP PE PS PC PVC ABS
    US$ 2600 / Piece
    1 Piece (MOQ)
Trading Company
KN95 Face Mask , Face Mask , Mask , Disposable Mask , Disposable Face Mask
OEM, ODM, Own Brand
BSCI
  • KN95 Meltblown Fabric 98% Filter Efficiency Face Mask Dust Mask
    US$ 0.055 / Pieces
    2000 Pieces (MOQ)
  •  FFP2 KN95 Disposable Anti-Dust Face Mask
    US$ 0.15 / Piece
    2000 Pieces (MOQ)
  • Chinese Standard Certified High Protection KN95 Face Mask
    US$ 0.8 / Piece
    14000 Pieces (MOQ)
Manufacturer/Factory
Face Masks , Personal Protective Equipment , Disposable Mask , Non-Niosh Respirator , KN95
within 15 workdays
Xiamen, Fujian
  • KN95 Face Mask, FFP2 N95 Respirator Disposable Face Mask, KN95 Filter Mask, 5ply/4ply FFP2/KN95 Respirator Mask
    US$ 0.15 / Piece
    100000 Pieces (MOQ)
  • Protective Face Mask Disposable Mask Anti Virus Dust Mask 95% Filter 3ply Face Mask
    US$ 0.09 / Piece
    10000 Pieces (MOQ)
  • Filter Mask Mask Packaging Bags Disposable Dust Face Mask Masks 3D Mask Kn 95 Face Mask Mask Sterilized 3ply Facemask Mobile Lamps
    US$ 0.65 / Piece
    10000 Pieces (MOQ)
Trading Company
KN95 Mask , Disposable Mask , Tape
OEM, ODM, Own Brand
ISO 9001, ISO 20000, IATF16949, HSE, ISO 14064...
  • PRO Breath Activated Mask Breath Air Mask with Filter KN95 Cover for Running
    US$ 0.2 / Piece
    1 Piece (MOQ)
  • KN95 Safety Face Particulate Mask Covering Air Filtration Anti Dust Respirator Disposable Particulate Filtering Mask
    US$ 0.2 / Piece
    1 Piece (MOQ)
  • 50-Pack KN95 Protective Face Mask Certificate Registered Safety Face Mask Air Filtation Anti Dust Mask Disposable Particulate Filter Mask
    US$ 0.2 / Piece
    1 Piece (MOQ)

Guangzhou ORCL Medical Co.,LTD

China Supplier - Diamond MemberSince 2024

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Number of Employees70
Number of Employees
Manufacturer/Factory , Trading Company
Endotracheal Tube , Urology Foley Catheter , Laryngeal Mask Airway
ODM, OEM, Own Brand
GMP, ISO 13485
  • Medical 3ply Face Mask Printed Elastic Non Woven Disposable 3D Layer Surgical Facemask
    US$ 0.24 / pieces
    2000 pieces (MOQ)
  • Orcl Entrega Rapida Tapabocas Con Filtro 3 Capas Tapa Bocas De Tela Tapabocas Desechables Medicos Mascarilla Quirurgica
    US$ 0.04 / pieces
    5000 pieces (MOQ)
  • Plastic Transparent Anti Fog Protective Acrylic Filter Face Shield Visor Shieldmask Screen Safety Shield with Glasses
    US$ 0.05 / pieces
    1000 pieces (MOQ)

Xiamen Vida Healthcare Products Co., Ltd.

China Supplier - Diamond MemberSince 2023

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Manufacturer/Factory , Trading Company , Group Corporation
Disposable Infusion Sets , Prcision Injection Mould , Disposable Syringe Pre-Filled Flush Syringe , I. V. Catheter I. V. Cannula , Disposable Blood Collection Tube & Needles
OEM, Own Brand
ISO 9001, BSCI, ISO 13485, FSC
  • Plastic One-Way CPR Training Valve for CPR Resuscitator Mask Practice Green Color Emergency Rescue Tool Mouthpieces Parts
    US$ 0.135 / Piece
    5000 Pieces (MOQ)
  • CPR Mask Replacement Valves for Training CPR Training Valve
    US$ 0.135 / Piece
    5000 Pieces (MOQ)
  • CPR Practice Valve CPR Training Valve with One-Way CPR Valve for Rescue Mask
    US$ 0.135 / Piece
    5000 Pieces (MOQ)

Fujian Angel Nonwoven Fabric Tech Co., Ltd.

China Supplier - Diamond MemberSince 2022

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Manufacturer/Factory , Trading Company
Nonwoven Fabric , Disposable Bed Sheet , Meltblown , Nonwoven Bag , Mattress Cover
OEM, ODM
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
  • High Quality Anti-Bacterial Spun-Bond Nonwoven Fabric Copper
    US$ 2.09 / kg
    1000 kg (MOQ)
  • Copper Spunbonded Nonwoven Fabric Copper Fabric Copper Ion Nonwoven Fabric
    US$ 2.06 / kg
    1000 kg (MOQ)
  • Spunbond Manufacturer 100% PP Copper Ion Nonwoven Polypropylene Fabric
    US$ 2.05 / kg
    1000 kg (MOQ)

GUANGZHOU ICLEAR HEALTHCARE LIMITED

China Supplier - Diamond MemberSince 2019

Suppliers with verified business licenses

5.0
Plant Area100
Plant Area
Manufacturer/Factory , Trading Company
Medical Imaging Equipment , Ivd Products Supplies , Ent Products , Laboratory Equipment , Chinese Traditional Medicine Treatment Equipment
OEM, Own Brand
ISO 9001, GMP, FSC
  • in Stock High Speed Fully Automatic Face Mask Making Production Machine 1+2 Lines
    US$ 30000 / Piece
    1 Piece (MOQ)
  • Single Level Sleep Smart Travel Mini Auto CPAP with APP Control
    US$ 100 / Piece
    1 Piece (MOQ)
  • ICU Portable Bipap Medical Non-Invasive Ventilator
    US$ 100 / Piece
    1 Piece (MOQ)

Sainty International Group Jiangsu Yangzhou Sumex Imp. & Exp. Co., Ltd.

China Supplier - Diamond MemberSince 2006

Suppliers with verified business licenses

5.0
Plant Area130
Plant Area
Number of Employees31
Number of Employees
Trading Company
Medical Disposable , Dental Apparatus and Material , Laboratory Supplies
OEM, ODM, Own Brand
ISO9001:2015
  • Particulate Respirator with ISO, Dust Mask
    US$ 0.2 / Piece
    10000 Pieces (MOQ)
  • High Quality SEBS Adult Manual Resuscitator with ISO
    US$ 47.2 / Piece
    1000 Pieces (MOQ)
  • High Quality Pediatric Manual Resuscitator with ISO
    US$ 47.2 / Piece
    1000 Pieces (MOQ)

Sungnan Import & Export Co., Ltd.

China Supplier - Diamond MemberSince 2011

Suppliers with verified business licenses

5.0
Plant Area550
Plant Area
Number of Employees24
Number of Employees
Trading Company
Hat , Scarf , Gloves , Socks
OEM, ODM, Own Brand
ISO 9001
  • Children Sports Cycling Neckerchief Face Masks Scarf Balaclavas Bandana with Pm2.5 Filters
    US$ 0.79 / Piece
    100 Pieces (MOQ)
  • Camouflage Neck Scarf with Filter Pocket Cooling Polyester Neck Gaiter for Men
    US$ 0.85 / Piece
    100 Pieces (MOQ)
  • Reusable Face Bandana with Filter Breathable Valve Mouth Cover with Detachable Eye Shield for Adults
    US$ 0.69 / Piece
    500 Pieces (MOQ)

Haorui Tech Co., Ltd.

China Supplier - Gold MemberSince 2022

Suppliers with verified business licenses

4.0
Plant Area589
Plant Area
Number of Employees19
Number of Employees
Manufacturer/Factory
Meltblown Nonwoven Fabric , Spunbond Fabric , Spunlace Nonwoven Fabric , Needle Punched Nonwoven Fabric
Own Brand, ODM, OEM
Nil
  • Hot Selling Tea Flavor Non-Woven Fabric Es Non-Woven Fabric
    US$ 2.95 / kg
    500 kg (MOQ)
  • Summer Use Touch Cooling Facemask Raw Material Es Fiber Cool Feeling Non-Woven Fabric for Cool Mask Making
    US$ 2.95 / kg
    500 kg (MOQ)
  • Free Sample Bi-Component Hot Air Through Nonwoven Fabric for Breast Pads Material
    US$ 1.69 / kg
    1000 kg (MOQ)

Tangshan Umg Medical Insrument Co., Ltd.

China Supplier - Diamond MemberSince 2012

Suppliers with verified business licenses

5.0
Plant Area380
Plant Area
Number of Employees16
Number of Employees
Manufacturer/Factory , Trading Company
Dental Handpiece , Dental Material , Dental Equipment , Dental Disposable Product , Dental Orthodontic
ODM, OEM, Own Brand
ISO 13485
  • Nose Strip Inside or Outside Breathable Safe Mask GB2626-2006
    US$ 1 / Piece
    1000 Pieces (MOQ)
  • Disposable Protective Mask Safe Mask Kn95 Breathing Mask
    US$ 1 / Piece
    1000 Pieces (MOQ)

Chongqing New World Trading Co., Ltd.

China Supplier - Diamond MemberSince 2020

Suppliers with verified business licenses

5.0
Plant Area273
Plant Area
Number of Employees17
Number of Employees
Trading Company
Vacuum Blood Collection Tubes , Test Tube , Pipette Tip , Urine Container , Microscope Slide
ODM, OEM
ISO 13485
  • Laboratory Consumables Disposable Light Blue 3 Layer Civil Protection Face Mask
    US$ 0.015 / Piece
    100000 Pieces (MOQ)
  • Medical Supply Surgical Mask Medical White Civil Protection 3 Ply Disposable Face Mask
    US$ 0.013 / Piece
    100000 Pieces (MOQ)

Suzhou Sky Industrial Co., Ltd.

China Supplier - Diamond MemberSince 2015

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Manufacturer/Factory
Shielding Film , Shielding Bag , ESD Moisture Barrier Film , Moisture Barrier Bag , Vacuum Bag
OEM, Own Brand
ISO 9001, ISO 14000, QC 080000
  • Disposable Non-Woven Fabric Mask with 99% Filter Paper, Ultra-Soft Smooth Matte Mask, Activated Carbon Mask
    US$ 0.5 / Piece
    50 Pieces (MOQ)
  • 3ply Disposable Non-Woven Dust Face Mask with Ear Loop
    US$ 0.5 / Piece
    50 Pieces (MOQ)

China Xinxing Shanghai Import and Export Co., Ltd.

China Supplier - Diamond MemberSince 2014

Suppliers with verified business licenses

5.0
Plant Area200
Plant Area
Number of Employees7
Number of Employees
Trading Company
Military Uniform , Police Equipment , Army Uniform , Military Boots , BulletProof Vest
ODM, OEM
ISO 9001
  • CS Protection Filters Single Window Respiratory Protective Equipment Gas Mask
    US$ 28 / Piece
    1 Piece (MOQ)
  • China Xinxing Wholesale TF-10d Gas Mask
    US$ 37 / Piece
    1000 Pieces (MOQ)

NINGBO VITAL INTERNATIONAL TRADING CO., LTD.

China Supplier - Gold MemberSince 2021

Suppliers with verified business licenses

4.0
Trading Company
PVC Tube , Medical Dressing , Cotton Ball , Gauze Pad , Nonwoven Pad
Ningbo, Zhejiang
  • Disposable Medical Copper Oxide Mask
    US$ 0.17 / Piece
    50000 Pieces (MOQ)
  • 5 Ply Anti Dust Particulate Pollution Folding Face Mask
    US$ 0.095 / Piece
    50000 Pieces (MOQ)

Shanghai Even Medical Instruments Co., Ltd.

China Supplier - Gold MemberSince 2018

Suppliers with verified business licenses

4.0
Plant Area500
Plant Area
Manufacturer/Factory
Surgical Suture , Alcohol Pad , Blood Lancet , Spinal Needle , Medicine Envelope
OEM
GMP, HACCP, ISO 13485, FSC
  • PVC Anaesthetic Anaesthesia Face Mask with Inflatable Rim
    US$ 0.45 / Piece
    5000 Pieces (MOQ)
  • Disposable Face Mask Non Woven Mask 3ply Mask
    US$ 0.01 / Piece
    100000 Pieces (MOQ)

Suzhou Qiangsheng Clean Technology Co., Ltd.

China Supplier - Diamond MemberSince 2019

Suppliers with verified business licenses

5.0
Plant Area1110
Plant Area
Number of Employees30
Number of Employees
Manufacturer/Factory , Trading Company
Cleanroom Products
ODM, OEM
ISO9001:2015
  • China White List Supplier Nonwoven Non-Sterilized Disposable 4-Ply Face Mask KN95
    US$ 0.18 / Piece
    1000 Pieces (MOQ)
  • Good-Sealing Self-Priming Filter Anti-Particulate Cup Facemask
    US$ 0.179 / Piece
    5000 Pieces (MOQ)

Anhui Avantis Packaging Technology Co., Ltd.

China Supplier - Diamond MemberSince 2016

Suppliers with verified business licenses

5.0
Annual Revenue12.92 Mil
Annual Revenue
Plant Area1356
Plant Area
Number of Employees28
Number of Employees
Trading Company
Glass Bottle , Glass Container , Rolling Tray , Mylar Bag , Rolling Cone Tube
ODM
ISO 9001, ISO 13485
  • Non-Woven Anti Virus Surgical Mask Individual Pack Earloop Made in USA
    US$ 0.05 / Piece
    1000 Pieces (MOQ)
  • Disposable Earloop Surgical Mask Bfe Buy Near Me Block Virus
    US$ 0.05 / Piece
    50 Pieces (MOQ)

Ningbo Ezfocus Co., Ltd.

China Supplier - Diamond MemberSince 2021

Suppliers with verified business licenses

5.0
Plant Area500
Plant Area
Manufacturer/Factory , Trading Company
Yoga Wear , Sports , Outdoor , Travel Gear , Kitchenwares
OEM, ODM, Own Brand
ISO 9001, ISO 20000, QC 080000, BSCI
  • Quick-Drying Headgear Skin-Friendly Breathable Balaclava Sun Protection Cycling Liner Mask Outdoor Mountaineering Bl18536
    US$ 3.33 / Piece
    100 Pieces (MOQ)
  • Lightweight Riding Cap Headwear Cycling Face Mask Balaclava Polyester Activated Carbon Filter Machine Washable Breathable Warm Bl19091
    US$ 2.45 / Piece
    100 Pieces (MOQ)

Nanjing Foinoe Co., Ltd.

China Supplier - Diamond MemberSince 2008

Suppliers with verified business licenses

5.0
Plant Area93
Plant Area
Number of Employees12
Number of Employees
Trading Company
Medical Product , Dental and Biochemistry Lab Products
OEM, Own Brand
ISO 9001, ISO 9000, ISO 13485
  • Factory Transparent Mask for Sale
    US$ 40 / Piece
    1 Piece (MOQ)
  • New Product Transparent Air Purifier Mask on Sale
    US$ 40 / Piece
    1 Piece (MOQ)

Wenzhou Kingsun Optical Co., Ltd.

China Supplier - Gold MemberSince 2016

Suppliers with verified business licenses

4.0
Plant Area600
Plant Area
Number of Employees10
Number of Employees
Trading Company
Optical glasses , Sunglasses , Reading glasses , Glasses accessories
Wenzhou, Zhejiang
  • Aumacom Face Mask 3 Ply Filter Face Mask
    US$ 0.07 / pcs
    100000 pcs (MOQ)
  • Filtering Half Mask Protective Face Mask
    US$ 0.21 / pcs
    1000 pcs (MOQ)

Shanghai Jiayu Medical Equipment Co. Ltd

China Supplier - Gold MemberSince 2023

Suppliers with verified business licenses

4.0
Plant Area100
Plant Area
Manufacturer/Factory , Trading Company , Group Corporation
Medical Plastic Kidney Dish , Medical Plastic Quiver , Medical Plastic Jug , Medical Plastic Basin , Medical Plastic Bowl
OEM
Response Time≤3h
  • Wholesale Reusable One Way Valve Breathing Rescue CPR Pocket Barrier Mask
    US$ 1 / Piece
    500 Pieces (MOQ)
  • Medical Professional Disposable Implant Pack
    US$ 9.26 / Bag
    100 Bags (MOQ)
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Category

Health & Medicine (307) Security & Protection (250) Manufacturing & Processing Machinery (241) Industrial Equipment & Components (203) Textile (179) Light Industry & Daily Use (174) Packaging & Printing (149) Bags, Cases & Boxes (100) Apparel & Accessories (62) Electrical & Electronics (61) More

Business Type

Manufacturer/Factory (550) Trading Company (479) Group Corporation (26) Other (1)

Management Certification

ISO 9001 (380) ISO 14001 (147) ISO 9000 (110) ISO 13485 (100) BSCI (77) GMP (71) ISO 14000 (67) ISO9001:2015 (62) Others (47) ISO 20000 (45) QC 080000 (44) FSC (36) IATF16949 (35) ISO 14064 (33) OHSAS/ OHSMS 18001 (33) HSE (25) ISO14001:2015 (21) SA 8000 (14) SEDEX (14) ANSI/ESD (13) ISO 10012 (12) HACCP (12) BRC (11) GAP (10) IFS (10) ISO 50001 (10) EICC (9) ISO 22000 (9) AIB (8) ISO 29001 (8) QHSE (8) ASME (8) ISO 17025 (8) PAS 28000 (7) HQE (6) BS 25999-2 (6) QSR (6) LEED (6) ISO45001:2016 (6) WRAP (5) BREEAM (5) SHE Audits (5) ISO9001:2008 (2) SA8000:2014 (1) More

Annual Revenue

<1 Million USD (211) 2.5 ~ 5 Million USD (10) 10 ~ 50 Million USD (8) 1 ~ 2.5 Million USD (4) 5 ~ 10 Million USD (3) >100 Million USD (2) 50 ~ 100 Million USD (1) More

No. of Employees

5-50 People (123) 51-200 People (62) 201-500 People (19) Less than 5 People (19) 501-1000 People (4)

Province & Region

Guangdong (137) Zhejiang (135) Jiangsu (111) Shandong (85) Shanghai (46) Fujian (44) Hubei (31) Anhui (24) Henan (24) Hebei (15) Beijing (12) Jiangxi (5) Hunan (4) Tianjin (3) Sichuan (3) Liaoning (2) Ningxia (2) Chongqing (2) Shaanxi (2) Guangxi (1) Shanxi (1) Yunnan (1) More