Home Electrical & Electronics Signal Jammer Mobile Phone Signal Jammer Top 10 Blocker 2025 Product List

Top 10 Blocker

products found from  trusted manufacturers & suppliers
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Automatic Spike Road Blocker for High-Performance Traffic Control

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

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Heavy-Duty Road Blocker with IP68 Rating for All Weather Use

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

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Automatic Road Blocker with Hydraulic System for Maximum Efficiency

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

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Automatic Heavy-Duty Traffic Blocker with Spike for Efficient Control

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

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Lifting Road Blocker with Heavy Duty Spike for Security Solutions

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

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Hydraulic Automatic Traffic Blocker with Spike for Reliable Protection

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

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Reliable Parking Blockers with Spike for Secure Vehicle Management

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

Enjoy trading protection from Made-in-China.com
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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

Favorites

Hydraulic Automatic Spike Blocker for Reliable Traffic Regulation

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

Enjoy trading protection from Made-in-China.com
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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

Favorites

Heavy Duty Road Blocker with Spike for Ultimate Security Measures

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

Enjoy trading protection from Made-in-China.com
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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

Favorites

Robust Heavy-Duty Blocker with Spike for Ultimate Protection

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

Enjoy trading protection from Made-in-China.com
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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

Favorites

Ultimate Security Blocker with Durable Hydraulic Spike Technology

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

Enjoy trading protection from Made-in-China.com
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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

Favorites

Efficient Lifting Road Blocker for High-Traffic Roadway Control

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

Enjoy trading protection from Made-in-China.com
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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

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*** Automatic Road Blocker for Reliable Traffic Regulation Solutions

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

Favorites

Hydraulic Heavy-Duty Blocker with Spike for Effective Traffic Management

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

Favorites

Heavy Duty Automatic Road Blocker with Spike for Reliable Safety

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

Enjoy trading protection from Made-in-China.com
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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

Favorites

Heavy-Duty Road Blocker with Spike for Robust Security Measures

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

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Advanced Hydraulic Road Blocker for Enhanced Security and Safety

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

Favorites

Durable Heavy Duty Road Blocker with Spike for All Conditions

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

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Automatic Remote Control Hydraulic Vehicle Tire Killer Road Blocker

US$ 1558-2010 / Meter
10 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

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Central Isolation Barrier
Aluminium
Obstruction, Warning
60*60
Embedded Type
Rigid Barrier
1/ 6

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Portable Remote Control Tire Killer Road Blocker for Vehicles

US$ 1558-2010 / Meter
10 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

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Central Isolation Barrier
Aluminium
Obstruction, Warning
60*60
Embedded Type
Rigid Barrier
1/ 6

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Durable Road Blocker with Spike for Secure Vehicle Management

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

Favorites

Premium Road Blocker Manufacturer for Reliable Traffic Solutions

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

Favorites

Heavy Duty Parking Blockers with Spike for Optimal Vehicle Control

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

Favorites

Ultimate Security Blocker with Heavy Duty Spike for Safety

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

Enjoy trading protection from Made-in-China.com
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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

Favorites

Heavy Duty Blocker with Automatic Hydraulic Spike for Security

US$ 1000-1500 / Meter
5 Meters (MOQ)
Guangdong Qigong Industrial Group Co., Ltd.
Guangdong Qigong Industrial Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

Enjoy trading protection from Made-in-China.com
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1 Year
1 Year
Central Isolation Barrier
Aluminium
Obstruction, Warning
75*75
1/ 6

Favorites

Premium NFC Card Blocker for Modern Luxury Hotel Key Security

US$ 0.45-0.6 / Piece
1000 Pieces (MOQ)
Hubei Youhao IoT Technology Co., Ltd
Hubei Youhao IoT Technology Co., Ltd
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Hubei, China

  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
Secured Trading Service

Enjoy trading protection from Made-in-China.com
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5(5.0)

"Fast Delivery"
Fast Delivery
Contact Now

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Identification, Information
Smart Card
PVC
Non-Contact Type
Active
Read-Write Card
Video 1/ 3

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Silvery 3G 2g Cell Phone GPS Signal Blocker for Examination Room (GW-JF)

1 Piece (MOQ)
Shenzhen Greetwin Telecom Co., Ltd
Shenzhen Greetwin Telecom Co., Ltd
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Guangdong, China

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5(4.9)

"Fast Delivery"
Fast Delivery
Contact Now

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PCS1900
1900~1990MHz
Conference Center
Classroom Jammer
5 Hours
1.56kg
Video 1/ 6

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160W 8-Band UHF VHF Wi-Fi GPS GSM 3G 4G 5g Powerful High-Power Wireless Signal Blocker

US$ 1688-1988 / Piece
1 Piece (MOQ)
Shenzhen Zhengjiangxintong Technology Co., Ltd.
Shenzhen Zhengjiangxintong Technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Guangdong, China

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5(5.0)

"Fast Dispatch"
Fast Dispatch
Contact Now

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GSM CDMA 3G 4G 5g Wi-Fi GPS Lojack Lora 433 315
900;1800;1900;2100;2600;173;433;2400;5800;3600
School, Hotel, Office,Prison
8 Antenna 8 Channels
160W 10-25W Each Band
10-120 Meters Depends on Signal Strength
Video 1/ 6

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Full Automatic Heavy Duty Hydraulic Lifting Bollard Barrier Rising Road Blocker

US$ 360-980 / Set
1 Set (MOQ)
Hebei Qiniu Machinery Equipment Co., Ltd.
Hebei Qiniu Machinery Equipment Co., Ltd.
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Hebei, China

Secured Trading Service

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5(4.8)

"On-time Delivery"
On-time Delivery
Contact Now

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Stainless Steel Tyre Killer
Road
Reflective Strip
Double-Side
CE, Mutcd, ASTM, AS/NZS, RoHS
Automatic Tyre Killer
Video 1/ 6

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Easy to Carry Puncture Spike Strips Road Blocker for Emergency Security Road Check (LZ-06)

US$ 18-30 / Piece
1 Piece (MOQ)
Wenzhou Haibang Industrial Co., Ltd.
Wenzhou Haibang Industrial Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China

  • Manufacturer/Factory & Trading Company

Secured Trading Service

Enjoy trading protection from Made-in-China.com
View larger video & image

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5(5.0)

"Fast Delivery"
Fast Delivery
Contact Now

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Roadblock
Road
Reflector
Double-Side
ISO
40PCS/CTN
1 2 3 4 5 6 7 8 9 Next
Questions & Answers on Top 10 Blocker
Q
How can I evaluate the quality of signal jammers from suppliers in China?
A
Discover the perfect Signal Jammer addition with our Top 10 Blocker.Evaluate the quality of signal jammers by considering factors such as range, jamming effectiveness, durability, and build quality. The best way is to request product specifications and test the jammers before bulk purchase from a reliable supplier.
Q
What frequency bands do signal jammers commonly cover?
A
Discover the perfect Signal Jammer addition with our Top 10 Blocker.Signal jammers can cover a range of frequency bands used by devices like mobile phones, GPS, and Wi-Fi. A well-known manufacturer usually provides signal jammers that target specific frequency ranges for effective jamming.
Q
What are the advantages of manufacturing signal jammers in China?
A
Upgrade your Signal Jammer with the elegant and durable Top 10 Blocker.There are several advantages to manufacturing signal jammers in China, including cost-effectiveness, access to skilled labor, advanced technology, and the ability to customize products. Partnering with a manufacturing facility in China ensures high-quality and competitively priced signal jammers.
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