- Jen Jang Co; Ltd.
- laser pointer , laser pointer with ball pointer pen, laser key chain, led light with ball pointer pen, multi-function pen , led light with key chain, packing.
- Address:3F-3, No.490, Pan Nan Rd.,, Chung Ho City,, Taipei County, Taiwan
- Tron Link Technology Co., Ltd.
- Education toy, Laser Ball, Computer accessory, Learning toy.
- Address:No. 184, Hwa-Kang St. Pa-Teh City, Taoyuan Hsien 334 Taiwan
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