Shenzhen LangTuo Electronic Technology Co. Ltd design and manufacture circuit protection devices to help ensure safety and maximize the performance and reliability of your products.

Our products help to protect electrical equipment from overcurrent and overvoltage faults. Our circuit protection products have been used to help protect a wide range of electronic products in the computer, battery & portable electronics, consumer, automotive, industrial appliance, and telecommunication markets.

Our products have a wide range of applications such as ADSL, VDSL, ISDN, CATV, CAN, MDF, ODF, DDF, UPS, T1 E1 connection port, Video Video Transmitter, Switch machine, Telephone, Fax Machine, Power Meter, SPD, Lightning protection socket, Power transmitter, Network Transformer, Power Supply, Access Controller, RS485 Transmission, Router, MODEM, Building intercom , Instrumentation, Security Monitoring, Medical equipment, Military products etc.

Our products include:
1. Gas discharge tubes devices (GDT)
2. Thyristor Surge Suppressors (TSS)
3. Telecom Surface-mount Fuses
4. ESD Protection Devices
5. PolySwitch Resettable Devices
6. Varistor.

Our products are certified under UL,SGS,RoHs ,China technical standard GB/T18802.311-2007/IEC61643-311:2001, YD/T694, and ITU-TK.12Recommendation Standard.

Free samples will provide for test!
Free test are provided!