About Efficient International Technology

Efficient International Technology Co., Ltd. is a professional semiconductor device and solution supplier and consultant team. We promote, market, and distribute high-quality, high-efficiency power semiconductors to serve Taiwan and international customers from all across the globe. We provide services to the customers in the market of general power conversion, motor control, lighting, industrial, renewable energy, and other energy efficient required power applications.

We also provide consultant service for emergent semiconductor companies to develop their business in the Greater China markets. We aim to bring significant values to both our partner companies and our customers by effectively introducing the right products to the right customers.

Our Strategic Investor


Efficient International Technology is strategically invested by MacMic Science & Technology, a reputable China power semiconductor device design and manufacture company. Efficient will be on behalf of MacMic to operate as MacMic International Business Development Office in Taipei and will provide professional application supports to MacMic's international customers. MacMic has well-known capability to design and make high power and high performance chip, discrete, and module products with competitive price. Efficient is committed to introduce MacMic's outstanding products to the power applications customers in the rapid growing international market.

Our Competitive Advantages



With long term experience, our people are familiar with the industry regulation and understand what customers care regarded to power semiconductor products.



We are able to provide high performance and high efficiency power devices in very short time.

low price

Best Cost Performance

We provide price competitive products that help our customers to easily meet their price performance targets.



We are more than happy to make custom products based on required specifications at insignificant or even free extra cost.

We Located at


9F-5, No.202, Sec.5, Nanjing E. Rd., Taipei, Taiwan, 10570

Bus Station:
Nanjing Sanmin Road

Via:46, 204, 277, 279, 282副,306區, 307, 604, 605, 622,668, 675, 711, 南京幹線, 棕10,紅25, 1802, 1803, 1815 , 2002

Bus Station:
Nanjing Apartments

Via:46, 277, 279, 282副, 612, 藍10, 藍26

Nanjing Sanmin

Exit 3

Your trusted Professional Power Semiconductor Supplier