Question: Where is the headquarters of the AsusTeK Computer Inc. company that launched the Asus P535?

Context paragraphs:
Asus Eee: Asus Eee is a family of products by Asustek.  The product family began with the release of the Eee PC subnotebook in 2007; since then, the product family has diversified into a number of PC form factors.  According to the company, the name Eee derives from "the three Es," an abbreviation of its advertising slogan for the device: "Easy to learn, Easy to work, Easy to play".

Asus: AsusTek Computer Inc. (stylised as ASUSTeK or "Λ"SUS) is a Taiwanese multinational computer and phone hardware and electronics company headquartered in Beitou District, Taipei, Taiwan.  Its products include desktops, laptops, netbooks, mobile phones, networking equipment, monitors, WIFI routers, projectors, motherboards, graphics cards, optical storage, multimedia products, peripherals, wearables, servers, workstations, and tablet PCs.  The company is also an original equipment manufacturer (OEM).

Power Mac G5: The Power Mac G5 is a series of personal computers designed, manufactured, and sold by Apple Computer Inc. from 2003 to 2006 as part of the Power Mac series.  When introduced, it was the most powerful computer in Apple's Macintosh lineup, and was marketed by the company as the world's first 64-bit desktop computer.  It was also the first desktop computer from Apple to use an anodized aluminum alloy enclosure, and the only computer in Apple's lineup to utilize the PowerPC 970 CPU.

Asus EeeBox PC: Asus EeeBox PC (formerly Asus Eee Box) is a nettop computer line from ASUSTeK Computer Incorporated, and a part of the Asus Eee product family.  First released on August 11, 2008, the Asus EeeBox PC series is marketed as a small, light, inexpensive and energy-efficient counterpart to the Asus Eee PC netbook / subnotebook laptop series.  Its motherboard employs Splashtop technology called "Express Gate" by Asus.

Asus Eee Keyboard: ASUS Eee Keyboard is a computer that had a built-in PC motherboard within a full-size keyboard form factor in a manner of an old-style 1980s PC's: ZX Spectrum, Commodore 64, or similar nowadays Cybernet's keyboard computer models, ZPC-GX31, ZPC-D5 or ZPC-H6.  It has a touchscreen in place of a conventional keypad.  ASUS had plans to start shipping the device in September 2009.  It was first shown at CeBIT 2010 and launched in March 2010.  The actual appearing on the market comes with big delay and device was overpriced for its time.

ASint Technology: ASint Technology Corporation is a memory supplier company founded in December, 2007.  It is jointly owned by Asustek Computer Inc. and Silicon Integrated Systems Corp.

List of Asus routers: ASUSTeK Computer Incorporated (Asus) manufactures a series of network routers directly competing with Linksys routers from Belkin.

Asus Tinker Board: The ASUS Tinker Board is a single board computer launched by ASUS in early 2017.  Its physical size and GPIO pinout are designed to be compatible with the second-generation and later Raspberry Pi models.  The first released board features 4K video, 2GB of onboard RAM, gigabit Ethernet and a Rockchip RK3288 processor running at 1.8 GHz.

Asus Eee PC: The Asus Eee PC is a netbook computer line from ASUSTeK Computer Incorporated, and a part of the Asus Eee product family.  At the time of its introduction in late 2007, it was noted for its combination of a lightweight, Linux-based operating system, solid-state drive (SSD), and relatively low cost.  Newer models added the options of Microsoft Windows operating system, rotating media hard disk drives (HDD) and initially retailed for up to 500 euros.

P535: The Asus P535 is a high performance Pocket PC(PPC) that was designed for business managers.  It was launched by ASUSTeK Computer Inc. in November, 2006.  At first, the Asus P535 ran with Microsoft(R) Window Mobile 5.0.  However, it is upgradable to Microsoft(R) Windows mobile 6.5.

Supporting paragraphs: P535 Asus
Answer: Beitou District, Taipei, Taiwan