Line Card

Authorization Letter of Winson

Winson Semiconductor Corp. ,Founded in Nov. 1998, Winson Semiconductor Corp. is a professional IC design house in Hsin-Chu, Taiwan.  Winson’s main products are Hall Effect ICs, we provide best cost/performance solution on various applications, such as brushless motor, cover detector, magnetic switch, current sensing, positioning and contact-less switch. We are capable to provide most competitive,  reliable products in semiconductor vertical integrated market.


SAIER sensor electric Manufactory, a professional manufacturer specialized for developing and manufacturing water control sensor, located in China.The mainly product focus on pulse signal flow sensors (also known as water flow sensors, flowmeter, Hall flow sensors , flux sensors, flow transmitters, flow pulse sensor) and the switch signal flow sensors (also known as water flow switch, flux switch, piston-type flow switch, baffle-type flow switch, turn plate flow switches, gravity flow switches, magnetic type flow switch, stainless steel flow switch, brass flow switch, water flow switch, flux control switch, water flow inductive switch, flange flux switch).

Honeywell Authorization Letter

Honeywell has a product to meet any industry’s requirements and any company’s needs. But an impressive product line is only one part. We bring to bear engineering expertise and value-added capabilities no other company offers. While our switch and sensor solutions meet a wide array of basic and complex applications, our custom-engineered solutions offer enhanced precision, repeatability and ruggedness for each industry of our expertise.


Xiamen Cashino Electronic Technology Co.,Ltd founded in 2011, is a professional thermal printers providers and highly specialized in designing, developing, manufacturing and marketing of printing, located in beautiful city Xiamen, china. With rich of experience and professional R&D team, CASHINO successfully launched a series of printing equipments. Such as portable printers, dot matrix printers, micro panel printers, kiosk printers, POS printers, barcode label printers, as well as printer mechanism etc. Our products are highly applied in POS/ECR, Transport ticketing, instrument analyze, kiosk system, electronic medical equipment, self-service solution etc.

Authorization Letter of Dongnan

Dongnan Electronics Co., Ltd. was founded in 1995, is located in Yueqing Economic Development Zone, Zhejiang Province, the southeast coast of China. We are a switch manufacturing enterprise that has R&D, producing, marketing and after-sales service; we have more than 25 years’ experience in making switches, and our switches are widely used in China and oversea countries.Our main products are: micro switch series, water proof switch series, rotary switch series, push button power switch series etc., all of our switches have UL, ENEC, EK, CQC etc. approvals; Our products are widely used in electronic instruments, home appliances, automotive electronics and electric tools, annual production capacity more than 300 million pcs of switches

Authorization Letter Of Ehuoyan

EHUOYAN is the best RFID and NFC supplier in products, services and solutions related to the creation, management, and use of RFID for millions of customers worldwide. Recognized for robust quality, innovative designs and industry leadership, EHUOYAN is focused on creating customer value and is the supplier of choice for OEMs, integrators, and developers serving a variety of markets that include RFID card reader for game machine; vehicle driver identification; physical access control; IT security, including strong authentication/credential management; card personalization; visitor management; government ID; and identification technologies for technologies for a range of applications.

Authorization Letter of HTC

TAEJIN Technology Co., Ltd was incorporated in 2000 .HTC Korea are being propelled towards World Best Leader in Power Management IC industry, and HTC Korea will continue marching ahead in the semiconductor industry.

Authorization Letter Of KINGCORE

Founded in 1986, King Core is a dedicated professional manufacturer of EMI, power, RF application. Supplying ferrite cores, chokes, precision coils, SMD ferrite chip beads / inductors, bead Array for EMI/EMC applications, and SMD Ceramic Chip Inductors / Filters for RF design. We are proud to be major inductive component vendor of world most important manufacturers of desktop, laptop, tablet PC, mobile device , LCD monitor/TV, digital camera, LED lighting, power supply, set-top-box, wide-band or wireless telecommunication device, USB 3.0 & HDMI device and RF applications, and so on.

Authorization Letter of USR

Jinan USR IoT Technology Limited focus on serial data networking communication in IoT and M2M field for more than 7 years. We supply networking devices such as serial ethernet converter, serial wifi converter, 3G 4G modem, 4G wireless router and embedded ethernet wifi module.We have professional R&D teams for hardware and software, phone APP and server. OEM & ODM service is acceptable.


Established in 1983,WANDA is a Chinese manufacturer of switch components for industrial automation for over 30 years. WANDA specializes in designing and manufacturing various kinds of switches. WANDA products are used in Computer Systems,Computer Peripherals,Network and Communication,Industrial Control & Instruments Equipments,Security System,Consumer Electronics & Household Appliances,Automotive Electronics,Optoelectronics Industry,Power Energy Industry.


MERCURY Electronic Ind Co., Ltd. was established over 40 years ago, in 1973, as the first quartz crystal frequency control product manufacturer in Taiwan.As a pioneer in the crystal industry, Mercury continues to meet market demands by researching & developing many new cutting-edge products. Many of these high-precision products meet very tight and accurate specifications, and they are also available in miniature surface mount packages. Frequencies range from the low KHz, up to eight hundred MHz.