Dongguan Cailong Metal Spring Mfg.Co.,Ltd.
Dongguan Cailong Metal Spring Mfg.Co.,Ltd.
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Company Profile

Cailong Metal Spring Manufacturing Co, Ltd ( a subsidiary of a Hong Kong Company, namely, Kowloon International Industries Co, Ltd ) is one of the recognized leaders of precision spring, progressive stamping, wire form, machined components and assemblies for nearly 50 years. We have a 30,000sqm factory with approximately 280 employees based in Dongguan, China.

Company Profile

Market Distribution

Cailong's Services

Company Structure

Company Structure

The basic establishment of Cailong Company is around 300 employees. There are 3 deputy general managers under the general manager. The deputy general manager of sales manages the domestic and overseas business, and the deputy general manager manages the company's finance, administration, and purchasing departments. The vice president of operations manages the company's engineering, quality, production, planning and warehouse. The vice president consists of managers or supervisors of various departments.


Our History

  • 1970

    Cailong was established in Hong Kong by Steven Sin in 1970. The original company name is Kowloon Springs. The company mainly produces spring products and provides supporting services for some toy factories in Hong Kong. After nearly 20 years of technology precipitation, the company’s equipment and technology are synchronized The improvement provides a certain development basis for future expansion.

  • 1980

    Since the 1980s, with the large-scale transfer of Hong Kong's original labor-intensive processing and manufacturing industries to the Pearl River Delta and other places, Xian Sheng saw various preferential policies brought about by the mainland's reforms and development.

  • 1990

    In the early 1990s, he moved to Huangpu, Guangzhou. Guangzhou Rainbow Spring Manufacturing Co., Ltd. was established in the district. The company quickly developed into an enterprise with nearly 200 employees. The company's customer base faced the entire Pearl River Delta. At that time, the toy industry giants Mattel, Hasbro, Rising Sun, Zhentai, Many large toy factories such as Xingli and Yonghe are Rainbow's partners.

  • 2000

    After 2000, with the development of electronic technology in the mainland, China's household appliances products also flourished. Rainbow has also entered the supply chain system of electrical products, providing many brands of electrical appliance manufacturers with hardware spring products manufacturing services. At that time, Galanz, Midea, TCL, LG, Panasonic and other companies were the main customers of Rainbow. Due to the customer's product needs, Rainbow only provides spring products and can no longer satisfy customers, so Xian Sheng has carried out technological expansion and simultaneously stepped into the stamping processing industry. After several years of technical hard work and enterprising, Rainbow has also established a stamping department for customers. Provide production services from mold design to stamping products.

  • 2008

    In 2008, with the gradual development of the domestic automobile industry, Steven took the long-term vision and brought the company into the automobile manufacturing field. The company also moved from Huangpu, Guangzhou to Hengli Town, Dongguan, and established Cailong Hardware Spring Enterprise Co., Ltd. with its own factory. The company currently provides support services with many automotive customers, such as Geely, Chery, Toyota, Honda, Wanliyang, Liuqi and other companies. Cailong's management technology has also been refined in the cooperation, and the turning CNC processing has been expanded simultaneously, and Cailong's technical management has gradually developed to a higher level.