Mr. Ken Kuo established Sun Castle in Sep, 1981. The company was named as “Chia Liang Industrial Co.” and located in Tan-Tzu, Taichung County, Taiwan. Specialized in Electro-plating and the treatment of metal-surface for several well-known manufacturers in Taiwan. Therefore, we have an excellent reputation for the quality of our products.

In 1984, the company was moved to Shengang, Taichung County, Taiwan and had the factory for 13,000 sq meters until now. Set two complete equipments of electro-plating and static coating, die-casting and forging equipments for 150 tons and 500 tons. We started to produce various Zinc and Brass products and expanded our business in the market. In 1986, we renamed Tsoen Sheng Industrial Co., Ltd., for exporting Bath Accessories to US and European markets and got a lot of patents in the world.
In 1998, the company was certified by BSI standard- ISO-9002 certification. In the Meantime, we established the other company- Newtech Scientific Technology Co., Ltd. This company services the surface- treatment technology for electronic parts and IC chip packing. In 1999, Newtech got the ISO 9002 Certification.
In 2000, we had indicated to offer the professional services for different products as below-

Country	Taiwan
City	Taichung
Address	No. 17-1, Jiuru Lane, Bade Road, Shengang Dist.,Taichung City 42943, Taiwan(ROC)
Business Nature	Distributor / Dealers; Manufacturer
Contact Person	Linda Chen

Established Year	1981
Employee's Number	101-200
OEM/ODM experience	yes
Countries of Export	North America; Southeast Asia; Middle East