bluetooth detector500+ factories verified

Qingdao Allred Electronics Co., Ltd. Was established in 2014. We are a professional manufacturer of gas detection equipment. Our company has been certified with ISO9001, ISO14001 and ISO45001 systems, and we are committed to providing customers in industries such as oil & gas, petrochemical, mining, and environmental protection with high-performance, user-friendly, and cost-effective gas detector.

Hebei Zehong Technology Co., Ltd. is located at No. 1, Qinggong Road, Xibaipo Economic Development Zone, Pingshan County, Shijiazhuang City, Hebei Province. It is a high-tech enterprise specializing in the research, development, production, and sales of gas detection and analysis instruments.  Leveraging its technological advantages, the company is committed to the development and production of safety and environmental monitoring products, and has established long-term technical cooperation relationships with numerous domestic and international research institutions.

Sinico has been deeply involved in the public security field for over 10 years, accumulating extensive domain expertise and practical experience across a wide range of mission-critical scenarios. Our main product portfolio includes IMSI/IMEI Catcher, SDR Signal Jammer, drone detector, drone jammer, Portable TSCM Kit, Encrypted Security Phone, Security Earphone, Thermal Imager, and other advanced technical reconnaissance solutions. Each product is designed with high reliability, field adaptability, and modular customization to meet diverse operational needs. Our solutions are suitable for law enforcement agencies (LEA), emergency rescue teams, defense departments, and related government bodies. With proven strengths in the research, development, and system integration of technical reconnaissance equipment, Sinico delivers end-to-end support - from needs analysis and solution design to deployment, training, and after-sales service. We are committed to helping clients enhance situational awareness, ensure communication security, and effectively counter modern threats. Whether in counter-surveillance operations, border protection, critical infrastructure defense, or public event security, Sinico provides trusted technology and responsive global service capabilities to partners across the world.

Shenzhen Yifan Technology Co., Ltd. is a high-tech enterprise specializing in environmental monitoring, and in the R&D, design, production, sales, operation, and industrial control of intelligent environmental protection instruments. It achieves dual qualitative and quantitative supervision of pollution emissions through real-time collection, transmission, and storage of data from factories, restaurants, and chemical enterprises. Following years of development, Yifan has emerged as a significant supplier of environmental monitoring equipment and systems, both domestically and internationally. Over the years, Yifan has assimilated the latest foreign technologies, elevating its products to advanced domestic levels through both independent and collaborative R&D. Its range of gas detection products includes VOC, odor, micro air stations, toxic, harmful gas, dust, oil fume, noise, and meteorological detectors

Changsha U De Toptech Electronic Technology Co., Ltd is the original manufacturer for Alcohol Testers / Breathalyzers.

We Are All About Water!

Hanwei Electronics Group Corporation (ISO9001-2000 certified) build in 1984, and is a professional manufacturer expertise in the R&D and mass-production of the gas sensors and gas detectors in China. Unlike most of the other gas detection companies, we develop and manufacture the gas sensors, which are used in our gas detection products. Some of our products are for CE and TUV approval. Certainly, we also supply professional and exact technical service and design projects to meet the local customer's need. OEM and ODM are welcome.

Established in 2010, Shenzhen YuanTe Technology Co., Limited is a company that focuses on the design, production and sales of environmental monitoring equipment and system for 16 years. With "gas detector" as the core product, we have completed production line and solutions according to different industries, such as Oil, Chemical, Medicine, Energy, Environmental Protection, Electronic, Municipal Engineering, Agriculture and Forestry, Household Appliances, etc. Through about 10 years of rapid development, Yuante becomes the influential supplier for environmental monitoring equipment and system in the domestic and overseas market.

In a wide array of production and application scenarios - including petroleum, chemical engineering, metallurgy, steel making, sewage treatment, parking lots, breeding farms, laboratories, clean energy, breweries, and refrigeration equipment - the risk of leakage from various toxic, harmful, and flammable gases (such as hydrogen, VOCs, oxygen, and hydrogen sulfide) persists, posing potential threats to personnel safety and production activities. MaiYa Sensor is dedicated to the R&D, manufacturing, and sales of a full range of gas detection products, delivering safety protection for personnel and production activities across industrial, commercial, environmental protection, and other sectors. Our product portfolio covers seven major series: Gas sensors, intelligent gas sensor modules, fixed gas detectors and central control systems, portable gas detectors, handheld gas analyzers, online gas monitoring systems, and IoT monitoring platforms. Globally, MaiYa Sensor has provided gas detection solutions for over 1, 000 industry-specific scenarios. We offer end-to-end comprehensive services, from initial consultation and system design to on-site installation. We are committed to delivering true one-stop gas detection solutions and ultra-efficient gas detection services.

Zetron has 20 years of combined experience developing, manufacturing and marketing a complete line of gas detection equipment to protect people from hazardous conditions in industrial, research and commercial applications. Today, Zetron is committed to providing air detection equipment, services and solutions to keep your people and plant safe.

Henan Bingsheng Industrial Co., Ltd. is a high-tech enterprise engaged in the research and development, production, sales, and service of high-end intelligent sensors and automation equipment, located in the High tech Zone of Zhengzhou City. The company focuses on independent research and manufacturing of online monitoring equipment for environmental protection, water industry, agriculture and other related industries. The products include online water quality sensors such as pH, ORP, conductivity, dissolved oxygen, turbidity, residual chlorine, chlorophyll, blue-green algae, and online soil moisture sensors such as oxygen content, temperature and humidity, and full parameters (temperature+humidity+conductivity+pH+nitrogen, phosphorus, and potassium). The company has cutting-edge technology and independently developed and produced a water quality multi parameter online monitoring instrument, which has advantages such as high accuracy and long service life. It can be customized for design and production according to different customer application scenarios. Leading excellence with wisdom and improving development with creativity, Henan Bingsheng Business Co., Ltd. Always adheres to the development concept of "application first, customer first", and strives to promote the rapid development of water conservancy and agricultural IoT sensing technology!

Nanjing KELISAIKE Safety Equipment Co., Ltd. is a leading professional manufacturer of gas detector, engaged in researching and developing high quality air-sensitive technology. Our company has first-grade equipment, scientific methods, project management system and excellent employees. As a professional supplier and agent of industrial instrumentations, we have been specializing in the field for more than 10 years. Now KELISAIKE has three subsidiary companies, located in the cities of Beijing, Xi'an and Xinjiang, and the business scope has covered nearly all the municipal areas of China.

Shenzhen Necom Telecommunication Technologies Co. Limited founded in 2010, focus on the manufacturing and sales of the telecom products and security equipment and personal privacy protection products.

Shenzhen yu heng xing technology Co., Ltd founded in 2013, focus on the manufacturing and sales of the telecom products and security equipment and personal privacy protection products.

Guangzhou International Technology Co., Ltd. is a product group company mainly engaged in industrial equipment and accessories. In order to serve our customers better and professionally, the company has set up different specialized subsidiaries oriented by products, mainly including Pearldrill brand for drilling equipments, Foundream company for building materials, Kenergy for generators and solar products, etc. Pearldrill is one of our subsidiary companies that produces and sells drilling equipment and tools.

We`re original supplier of Electronic products in Shenzhen China. If you`re interested in to know the prices of backpack, modules, and antennas, I`d like to send you the best prices as well.

Jinan Benan Technology Development Co., Ltd. Was established in 2008 with a registered capital of 101 million yuan. It focuses on the research and development, production and sales of gas detector systems, smart power safety management systems, electrical fire monitoring systems, fire equipment power monitoring systems, intelligent evacuation systems, fire door monitoring systems, fire cloud platforms and other products.

Our company was founded in Shenzhen in 2008 and has 17 years of experience in production, R&D, sales and after-sales service. We are one of the earliest OEM manufacturers in China to develop anti-drone systems and signal amplifiers. We have a leading edge in low-altitude drone defense technology and have won the trust and recognition of our customers with our advanced technology and high-quality products.

Yizhong Industrial is a professional and comprehensive provider of essential industrial gases and related equipment. Everyday, Yizhong Industrial is positively influencing the lives of global consumers. We focus on serving energy, environment, and emerging markets, providing necessary industrial gases, related equipment, and application expertise to customers in dozens of industries such as refining, chemical, metal, electronics, manufacturing, and food and beverage.

SHENZHEN JUTAI Founded in 2012, JUTAI has firmly established itself in the intelligent sensor field and has forged three core R&D segments. JUTAI hardware business focuses on intelligent Door sensor manufacturing; JUTAI software segment develops exclusive IoT cloud solutions based on all types of JUTAI door Sensors; And JUTAI overseas parking segment breaks the limitations of cash payments by integrating electronic payment systems from multiple countries.

Shenzhen HOBOY Instruments Co., Ltd. Was established on July 25, 2023. It is a global supply chain service provider focusing on the field of instrumentation, committed to providing high-precision and high-reliability testing equipment and solutions to global customers.

Founded in 2010, LSJ is a global leader in firefighting and emergency rescue solutions.

Shenzhen DEXIN Industrial Co., Ltd is located in Shenzhen City, Guangdong Province, China, mainly engaged in: Security equipment and personal privacy protection products, UAV detection equipment, UAV jamming equipment and accessories research and development, production and sales. Our products are greatly appreciated in a variety of different markets throughout the world. The main functions of the product are "flexible plan, accurate positioning, real-time tracking, rapid disposal, and full frequency coverage", and seamless coverage of large areas large-scale networking, and can be applied to all fields of social public security to achieve refined low-altitude airspace governance.

Company Introduction: Dongguan Viking Technology Co., Ltd. About UsDongguan Viking Technology Co., Ltd. is a leading manufacturer and supplier specializing in metal detection systems and vacuum lifting solutions. With years of expertise in industrial safety, materials handling, and security solutions, we are committed to providing high-quality, innovative products that enhance efficiency, safety, and compliance across various industries.

Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.

Our company is a leading exporter and supply chain service provider of medical machine with more than 8 years' experience. Our main products include endoscope, ultrasound scanners, laboratory equipment, operaion/emergency equipment, maternal&infant care device, pump, medical X-ray machine, ICU equipment, ECG, EMG, EEG, patient monitor, ward nursing equipment, ordinary diagnosis instrument, educational/teaching equipment, hemodialysis machine, dental equipment, veterinary equipment, and other related medical disposables.

EPT sensor begans in 2003, specializing in smart level controller, liquid level sensor, flow sensor, tilt sensor, weighing sensor, auto top off system and turbidity sensor. EPT adheres to the development strategy of High Quality & Good Service, and serves the society in line with the purpose of "reputation first, user first". We warmly welcome customers to visit the company for cooperation and business negotiation for mutual benefit.

Established in 2008, TVCMALL is your one-stop B2B shop for cell phone accessories.

HK Autoe Industrial Co., Ltd. Established in 2006 is a professional manufacturer of Digital Products, which specialize in supplying all kinds of MP3/MP4/MP5 players, USB flash driver, Digital photo frames mobile, bluetoth and car FM transmitter, etc.

Henan Fosen Electronics Technology Co., Ltd. (Fosensor) is a national high-tech enterprise engaged in smart gas sensors. The company was established in Zhengzhou City, Henan Province in 2015, and has formed a gas sensing technology platform based on the principles of optics (infrared, laser, etc. ), electrochemistry, MEMS semiconductors, and solid-state electrolytes. Products are widely used in automotive electronics, energy storage monitoring/lithium electric thermal runaway monitoring, smart/smart grid, smart home appliances, environmental monitoring, medical health, robotics, instrumentation, smart security, smart agriculture, smart cities and other fields. Continuously expand new application fields.