Dallas Keys, iButtons, iButton Readers/Probes Global Supplier

We are a company that develope iButtton and iButton accessories around the world. Our products apply in security access control, electronics access control, asset tracking and asset management. We supply low cost but high quality 1-wire ibuttons(also called Dallas iButton) of Dallas / Maxim Integrated. The iButtons are widely used in access control, GPS tracking, temperature and humidity managerment and so on.
Our products include:
MAXIM / DALLAS iButtons: DS1990A-F5, DS1990R, DS1990A-F3, DS199l1-F5, DS1992L, DS1993L, DS1994l, DS1961S, DS1982, DS1985, DS1996L, DS1971, DS1977, DS1921, DS1922, DS1923, DS1963, DS2401, DS1402D-DR8+, DS2502, DS9097U, DS9097E, DS9490R, DS9098P, DS1990R, DS2417P, DS2430AP, DS1904, ect. TM Cards / IB Cards: TM Card, TM90 Card, IB Card, TM1990A, TM1991, TM1971, TM14512, RW1990, TM1961S, TM1982, TM Card Ring, SMC1990A1, TM2401, Information Button, Place Button, Button Names, IB90 Card 90 Cards, Water Pad, etc. iButton readers, probes, holder and accessories: TM card reader, TM card dispenser, EM card dispenser, IC card reader, TM card reader heads, circuit board development, meter reading system, attendance system, elevator control systems, taking electrical switches, handles, walls buckle, patrol block, TM bracelet, silicone bracelet, beads bracelet, hotel Lock, sauna lock, cabinet Lock, patrol rods and other products.