•➢Analog power(USA)：Analog Power was founded in 2002 to focus on power management, and produce the optimum products for its customers. It has offices in the USA (San Jose, California), Hong Kong and Taiwan, with an extensive network of representatives to cover most of the worldwide semiconductor market.Analog Power's employees are customer-driven, with a high percentage of engineers experienced in power semiconductors.  Advantage： 1: Price is lower 20-60% than IR，Vishay, Farichild(On);  2: 6-8 weeks Lead time.

•➢Maple Semiconductor(Korea) : Established in 2014, Maplesemi semiconductor is located in Shekou, Nanshan District, Shenzhen, which is known as the forefront of China's reform and innovation. It is a complete industrial chain company integrating R & D, design, production, sales and service, and a national high-tech enterprise.

•➢ISOCOM(UK)：Isocom Components is a leading manufacturer of high performance infrared optoelectronic devices specialising in optocouplers and optoswitches. Since the business was established over 25 years ago we have consistently delivered in excess of our customer’s expectations to become one of the most respected brands in the worldwide optoelectronic industry. Our parts are available approved to the leading recognised industry standards and all devices are available in various lead forms and in Tape and Reel packaging if required.

•➢Tai-Saw(TST-TW) ：Founded in 1997, TST's goal is to become the leading manufacturing, design and service provider for high performance communication components. The former Motorola employees who founded TST applied their extensive experiences in related device design, manufacturing and processing development to realize these goals. TST is now recognized as the leading SAW (surface acoustic wave) device supplier in Taiwan, as well as the key OEM/ODM supplier of SAW device in the world.

•➢RECTRON(TW)：Rectron Limited was established in January 1976 in Tu-Cheng, Taipei by a team of experienced semiconductor engineers. Financed locally, Rectron very quickly emerged as a recognized supplier of quality discrete semi-conductors.  In 1981, Rectron increased sales revenues with direct access to the global semiconductor market via a network of exclusive Distributors and Agents.

•➢Oriental Semiconductor(China) : Oriental Semiconductor was founded in 2008, the registered capital of 50.532275 million yuan, is a technology driven semiconductor technology company, as a core technology of semiconductor devices field has profound technology accumulation, focus on technological innovation of semiconductor devices, with a number of core patent semiconductor devices.

•➢UniOhm(TW) ：Uni-Royal Group is the world‘s leading chip resistor and dip resistor industry leader,founded in 1978 in Hsinchu,Taiwan.With more than 38 years of development and experience,the global electronics industry has a deep insight and innovative leadership capabilities.

•➢HK Resistor (HK)：Established in 1985, Hong Kong Resistors Manufactory is owned and managed by a team of well experienced and knowledgeable Hong Kong industrialists. While headquartered in Hong Kong, our two manufacturing facilities are well set up in the Dongguan City (Guangdong Province) and the Yiyang City (Hunan Province) respectively.

•➢TKD（China）:Hubei TKD crystal electronic and technology co., LTD is specialized in the quartz frequency control components and production equipment research, development, production and sales of national high-tech enterprises. Company seted up in 2005, located in suizhou, which is the hometown of Yan emperor shen nong and the Cradle of bells. 2008 established TKD crystal science and technology park, 2016 listed A shares in Shanghai stock exchange (stock code: 603738). After more than 10 years of experience, now TKD become one of the largest domestic quartz crystal resonator and equipment manufacturers, the company has the first-class technology, the international field of vision, the spirit of pursuit of innovation, brave industry forefront, and also support for China's electronic information industry development.

•➢CCTC(China): Chaozhou Three-Circle (Group) Co., Ltd. (CCTC) was established in 1970. The company has been listed in Shenzhen Stock Exchange since 2014 (stock code: 300408). It is a comprehensive enterprise engaged in research and development, manufacturing and sales of electronic basic materials, electronic components and communication devices.

•➢ZXSF : Shenzhen Huayuan MicroElectronic Technology Co.,Ltd., a private high-tech company located in Shenzhen, belongs to Beijing Zhongxun Sifang Secience & Tehnology Co.,Ltd.,which is the only listed enterprise that research, develop and produce SAW components.