Sound Components Limited is a leading manufacturer and supplier of high-performance acoustic components, headquartered in Hong Kong with extensive manufacturing operations in Shandong and Jiangsu, China. Established in 1997, the company has grown into a large-scale enterprise employing between 500 and 1,000 personnel, including dedicated teams of over 50 specialists in R&D and Quality Control. The company operates as a versatile manufacturer, contract manufacturer, and ODM, specializing in the development of miniature and SMD acoustic solutions to meet evolving global market trends.
Their comprehensive product portfolio includes a wide range of acoustic devices such as magnetic and piezo buzzers, transducers, condenser and MEMS microphones, dynamic speakers, receivers, and ultrasonic sensors. These components serve various industrial applications, with a particular focus on high-tech electronic sectors. Sound Components Limited maintains a strong commitment to quality and environmental standards, holding ISO 9001, ISO 14001, and Sony Green Partner (GP) certifications.
With a factory footprint exceeding 5,000 square meters, the company integrates R&D, engineering, and manufacturing to provide professional customization services tailored to specific client requirements. Sound Components Limited is active in international trade, maintaining a significant export presence and supplying major international customers, including Transducers USA. Their Hong Kong office serves as the primary hub for sales, marketing, and technical support, ensuring efficient service delivery to their global B2B clientele.
Condenser & MEMS microphone (S-OM / S-UM / S-NM)
Piezo Buzzer
Magnetic Buzzer (S-MB / S-MT)
Mechanical Buzzer (S-MCB)
Speaker & Receiver
Dongguan Beelee Electronics Co., Ltd.
🇨🇳 China
2004201-300 peopleManufacturer/Trading Company
Established brand
OEM manufacturer
ODM manufacturer
Own brand
Key customer
HASBRO
Key market
🇺🇸 United States
Review
5
Description
Dongguan Beelee Electronics Co., Ltd., also known as Dongguan Bailing Electronics, is a prominent manufacturer and trading company established in 2004. Based in Dongguan, China, the company operates a large-scale facility with over 200 employees and eight dust-free automated production lines, achieving a daily output of up to 1.2 million switches. Beelee specializes in the research, development, and production of a comprehensive range of electronic components and sensors, including vibration switches, tilt sensors, reed switches, Hall sensors, proximity sensors, and liquid level sensors. Their product portfolio also extends to push button, micro, and toggle switches, as well as air purification products like ozone generators.
As an ISO 9001, GMP, and CE certified manufacturer, the company maintains rigorous quality control standards, utilizing professional RoHS detectors to ensure environmental compliance with REACH and EU standards. Beelee is recognized for its strong R&D capabilities, offering extensive OEM and ODM services and customized tooling to meet specific client requirements. Their components are integral to various industries, including automotive, household appliances, security systems, and electronic toys.
With an annual output value exceeding US$100 million, Beelee serves a global market, exporting to North America, Europe, South Korea, and Japan. The company has established a reputation for reliability, supplying high-profile international clients such as VTech, Hasbro, and McDonald's. They provide full-service support, including free samples, technical advisory, and professional after-sales service to ensure high performance and cost-efficiency for their business partners.
BL-JSFGHG-9B Normally Closed Reed Switch Magnetic Sensors and Reed Switches for Water Meters$0.57
5kv/7.5kv/10kv High Voltage 220V Magnetic Reed Switch Sensor BL-CGHG-10X50 High Voltage Holdoff and Switching Abilit$5.85
High Quality BL-JSFGHG-C Magnetic Plastic Reed Switch 23.5mm*3.8mm Normally Open Normally Closed Anti-vibration and Damage-proof$0.34
Magnet Triggers GBeelee 5A Glass Reed Switch Sensor 250VDC Normally Opened Magnetic Reed Switch$0.69
BL-108H-45 Series 360 Degree Omni Directional Tilt Angle Detection Switch Tilt Sensor Switch Beelee,beelee CN;GUA Home Appliance$0.3
Beelee 10 * 50mm Normally Open Magnetic Cylindrical Sealing Reed High-power Glass Reed Switch 15KV Magnetic Switch Reed$5.85
China Factory BL-CGHG-5X50 High Voltage 250V Green Glass Reed Switches Normally Open Pull in Value (50-90) at Reed Switch$0.68
Beelee 2*14mm Magnetic Reed Switch for Microwave Oven 10000 Mohms 100v~220v 0.1 Ohms BL-JGHG-2X14 0.4 Ms 0.7 Pf 1.0 Ms 10 Khz$0.25
Beelee 2.8X16 reed sensor switch magnetic cylindrical sealed proximity reed switch for water meters$1.55
Beelee 2X15 Reed Sensor Switch Magnetic Reed Switch for Pcb Mount$0.27
BL-2030 Micro Vibration Detection Omni Direction Sensor for High Sensitivity Applications$0.31
BL-JSFGHG-TP-2.3X11.5 Magnetic Normally Open Surface Mount Reed Switch Sensor 0.5A Smd Plastic Reed Switches$0.08
Hebei MT Microsystems Co., Ltd.
🇨🇳 China
101-200 peopleManufacturer/Trading Company/Service Company
OEM manufacturer
ODM manufacturer
Industry association member
High-tech enterprise
Key customer
GAC GROUP
Description
Hebei MT Microsystems Co., Ltd. is a leading Chinese manufacturer, trading company, and service provider specializing in MEMS intelligent sensor system solutions. Based in Shijiazhuang, China, the company operates as a contract manufacturer and component supplier, employing between 101 and 200 people. Established with over 30 years of technology and industrial experience, Hebei MT Microsystems is recognized as a national "little giant" enterprise, a China MEMS Top 10 enterprise, and an IC Unicorn enterprise. The company is a holding subsidiary of China Electronics Technology Group Corporation (CETC) and functions as one of China's largest national MEMS manufacturing and fabrication bases, utilizing a state-of-the-art 6-inch silicon-based MEMS line. They offer comprehensive MEMS product solutions, including design, fabrication, packaging, module integration, and testing. Their core product lines encompass MEMS inertial devices and systems (accelerometers, gyroscopes, inertial measurement units (IMU), inertial navigation systems), MEMS sensors (acceleration, pressure, temperature, vibration, gas flow meters), and RF MEMS devices (isolators, circulators, filters). These products are widely applied across automotive (intelligent driving, airbags, chassis), industrial (drones, eVTOL, aerospace, rail transit), and IoT sectors. Hebei MT Microsystems holds multiple certifications, including ISO 9001, ISO 14001, ISO 45001, IATF 16949, and ISO 26262, underscoring their commitment to quality and international standards.
MSA6000 MEMS Accelerometer
MSA4000 MEMS Acceleration Sensor
SiMF MEMS Low-Pass Filter
Sichuan Ziguan Photonics Technology Co., Ltd.
🇨🇳 China
201551-100 peopleManufacturer/Trading Company/Distributor/Service Company
OEM manufacturer
Product customization
Patented technology
High-tech enterprise
Key customer
BEIHANG UNIVERSITY
Key market
North America
Description
Sichuan Ziguan Photonics Technology Co., Ltd. is a high-tech optical communication enterprise established in 2015 and headquartered in Mianyang, China. Operating as a manufacturer, distributor, and service provider, the company specializes in the research, development, and large-scale production of advanced optical communication equipment and chips. With a workforce of approximately 51 to 100 employees, including a high percentage of R&D staff with advanced degrees, the company maintains a 1,000 to 3,000 square meter factory equipped with multiple production lines and a 10K class clean room. Sichuan Ziguan Photonics is ISO 9001 certified and holds dozens of patents for its proprietary technologies.
The company's comprehensive product portfolio is divided into active and passive optical devices. Core offerings include MEMS and mechanical optical switches, variable optical attenuators (VOA), fiber optical delay lines, and fiber lasers. They also provide EDFA fiber amplifiers, silicon photonics chips, optical power meters, and high-precision devices for specialized applications such as lidar systems, quantum communication, and laser fusion imaging. Their technical capabilities support a wide wavelength range from 405nm to 2100nm, with many products available for customization through OEM and ODM services.
Sichuan Ziguan Photonics serves a global market across North America, Europe, and Asia, maintaining strategic partnerships with major industry players such as Huawei, ZTE, and China Power, as well as prestigious academic institutions like Tsinghua University and the China Academy of Engineering Physics. The company is recognized as a National High-tech Enterprise, emphasizing innovation and systematic production management to deliver high-performance solutions for the telecommunications and electronics industries.
Ningbo Sanco Electronics Co., Ltd. is a premier manufacturer and trading company specializing in high-quality acoustic components. Established in 1993 and headquartered in Ningbo, China, the company has over 20 years of industry experience and operates a production facility with a monthly capacity of 3 to 5 million pieces. Sanco Electronics is a leader in acoustic technology, providing a comprehensive range of solutions including SMD buzzers, piezo transducers, magnetic buzzers, micro speakers, electret condenser microphones, and alarm sirens. Their products are essential components in electric appliances, computers, telecommunications, and security systems.
PCB Mounted Speaker (EMB-4008A)
Magnetic Buzzer (EMB-0905A)
Mechanical Buzzer (EMB-2306L)
Super Capacitor
Wuxi Bewis Sensing Technology LLC
🇨🇳 China
2010101-200 peopleManufacturer/Trading Company
OEM manufacturer
ODM manufacturer
Own brand
Product customization
Shipments
28
Key customer
MANATEC ELECTRONIC
Key market
Europe
Description
Wuxi Bewis Sensing Technology LLC, operating under the global brand BWSENSING®, is a high-technology manufacturer and ODM/OEM specialist established in 2010. Originating from the Institute of Microelectronics (IME) of Peking University, the company has become a leader in the Chinese market for middle and high-end inertial sensor applications. Headquartered in Wuxi, China, the company maintains a global presence with offices in Germany and the USA, and a strategic layout across major Chinese cities including Ningbo, Xiamen, and Dalian.
The company employs between 101 and 200 people, with a heavy focus on research and development; over 50% of the staff hold advanced degrees, including IEEE and ASME fellows. This technical expertise supports a comprehensive product portfolio that includes Inclinometer Sensors (digital, analog, dynamic, and wireless), Electronic Compass Sensors (2D/3D), Inertial Measurement Units (IMU), Attitude and Heading Reference Systems (AHRS), and Fiber Optic Gyroscopes (FOG). They also produce specialized hardware such as GNSS/INS integration systems, pressure scanning valves, and accelerometer chips.
With an annual revenue between US$10 million and US$50 million, Wuxi Bewis Sensing Technology operates its own factory equipped with advanced automatic machinery and a professional test lab. Their products achieve precision ranging from 0.2° to 0.001° and are certified under ISO 9001, CE, and RoHS standards. The company serves diverse industries including aerospace, automotive, energy (PV and wind monitoring), and civil construction, and has contributed to major national projects such as the C919 aircraft.
Dynamic Inclinometer VG55R Matching Connecting Wire, Including Connector$30
BWSENSING RS232/485 converter$20
Anhui Ronds Science & Technology Incorporated Company
🇨🇳 China
2007501-1000 peopleManufacturer/Trading Company
High capacity factory
High-tech enterprise
Patented technology
Industry association member
Shipments
76
Key customer
2 DL
Key market
North America
Description
Anhui Ronds Science & Technology Incorporated Company is a high-tech enterprise and leading manufacturer specializing in industrial internet solutions and predictive maintenance. Established in 2007 and headquartered in Hefei, China, the company is listed on the Shanghai Stock Exchange (688768.SH). With a workforce of over 800 employees and a dedicated R&D team, Ronds provides turnkey solutions for machinery condition monitoring, intelligent diagnosis, and cloud-based asset management. The company operates a sophisticated manufacturing facility and offers both OEM and ODM services to global clients.
Their comprehensive product portfolio includes piezoelectric accelerometers, wireless vibration and temperature sensors, portable vibration analyzers, and dynamic balancers. Ronds has developed the SuperCare industrial internet platform, which utilizes AI, big data, and cloud computing to monitor over 900,000 sensors worldwide. These solutions are critical for industries such as wind power, petrochemicals, metallurgy, mining, and water treatment, helping enterprises transition into the Industrial 4.0 era by predicting potential equipment failures and extending component lifespans.
Anhui Ronds holds nearly 100 proprietary intellectual property rights and maintains rigorous quality standards with ISO 9001, ISO 14001, ISO 45001, and CE certifications. Their products and services have been exported to more than 30 countries across North America, Europe, South America, and Southeast Asia, supported by a global network of distributors and a subsidiary in the United States.
Shenzhen Crystal Technology Industrial Co., Ltd., operating under the independent brand SJK, is a premier manufacturer and exporter of frequency control components established in 1989. Headquartered in Shenzhen, China, the company operates a massive 30,000-square-meter facility equipped with 30 fully-automatic production lines and advanced technology imported from Japan and the United States. With a workforce of over 500 employees and a dedicated R&D team of approximately 40 specialists, the company maintains a monthly production capacity of up to 77 million pieces, serving global markets across North America, Europe, and South Asia.
SJK specializes in a comprehensive range of piezoelectric products, including Quartz Crystal Resonators, Crystal Oscillators (SPXO, TCXO, VCXO, OCXO), MEMS Oscillators, and Tuning Fork Crystals. Their portfolio also extends to SAW Filters, SAW Resonators, Monolithic Crystal Filters (MCF), and Ceramic Resonators. The company is a leader in miniaturization and high-precision technology, offering ultra-miniature SMD units designed for AI, IoT, automotive electronics, telecommunications, and wearable devices.
As a certified High-Tech enterprise, the company adheres to rigorous international standards, holding IATF 16949, ISO 9001, ISO 14001, and ISO 45001 certifications. Their products are fully compliant with RoHS and REACH regulations. SJK provides professional OEM and ODM services, including custom marking and PCB match testing, and is a trusted supplier for major global corporations such as Flextronics, Foxconn, and Kenwood.
6K6/6K8 Tuning Fork Crystal Sjk Brand 2*6mm 3*8mm with 32.768kHz 12.5PF 20ppm 10ppm 5ppm Watch Crystal Through Hole Crystal Resonator$0.01
SONCM Shengmei (HK) Industrial Limited
🇨🇳 China
1985301-500 peopleManufacturer/Trading Company
Established brand
OEM manufacturer
ODM manufacturer
Own brand
Key customer
C HUSTLE INC
Key market
🇨🇳 China
Description
SONCM Shengmei (HK) Industrial Limited is a professional manufacturer and trading company specializing in electro-acoustic products. Established in 1985 and headquartered in Shenzhen, the company operates a production facility exceeding 5,000 square meters and employs a workforce of approximately 301 to 500 people, including a dedicated team of 38 professional engineers. The company is a specialist in the R&D, design, and manufacturing of a wide range of audio equipment, including recording, wireless, gaming, and conference microphones, as well as various headphones such as DJ, neckband, noise-canceling, and Bluetooth models. Their product portfolio also extends to passive speakers, USB adapters, and walkie-talkie earphones under the brands Soncm and Xiaotongyin. SONCM Shengmei provides comprehensive OEM and ODM services, supported by advanced manufacturing equipment and a robust intellectual property portfolio featuring numerous patents and trademarks across China, Europe, and the United States. The company maintains high quality and environmental standards, holding ISO 9001:2015, ISO 14001:2015, CE, RoHS, and FCC certifications. With an established distribution network and agents in major domestic cities, the company also maintains a strong international presence, exporting audio solutions to markets in North America, Europe, and South America.
Sf-666 3.5mm Microphone for Pc Condenser Microphone$2.1
Microphone for Gaming Studios Wired with Isolation Shield and Stand Computer Wired Microphone$26
RGB USB Wireless Podcast Studio Recording Microphone for Broadcast Youtube$12
White Microphone Cheap Gaming Mic Desktop Microphone$3
SF-777 High Quality Adjustable Wired Microphone for Computer & Conference Recording$13
Fast Shipping X1R Gaming Microphone for Video Game Usb Rgb Microphone Live Streaming$14
Mic Professional Studio Microphone Kit USB Mic with Arm Stand for Podcast Streaming$23
Mic and Speaker, Mini Portable Microphone$9.8
Condenser Microphone DJ Headphone Monitor for Gaming$10
Q3R USB Gaming Microphone RGB PC Computer Microphone with Pop Filter and Stand$8
SF-999 Karaoke Wireless Handheld Microphone with Built-in Speaker for Conferences$26
Enping Boda Audio Equipment Factory
🇨🇳 China
201451-100 peopleManufacturer/Trading Company
High-tech enterprise
OEM manufacturer
Shipments
15
Key customer
IDEA IMPORT
Key market
North America
Description
Enping Boda Audio Equipment Factory is a modern scientific and technological enterprise based in Jiangmen, China. Established in 2014, the company operates as a manufacturer and trading company specializing in the research, development, and production of professional audio equipment. With a workforce of 51 to 100 employees, the factory integrates advanced production equipment and a robust quality assurance system to serve both domestic and international markets.
Handheld Universal Wireless Microphone for Church Wholesale Portable Noise Cancelling$5.5
2.4g Wireless Microphone Professional Handheld Mic Microphone for Party Karaoke Church Show Meeting Sing Song$4.2
Dm-401 Wholesale Price Wired Microphone Professional Studio Microphone Dynamic Microphone for Church$1.39
Hot Selling Professional Dynamic Microphone Karaoke Stage Use Mic Wired Handheld Mic$3.9
High Quality Professional Dual Wireless Microphone System Stage Performances Handheld Microphones$9.6