Dongguan Tong Haishai Machinery Co., Ltd. is a specialized technical enterprise focusing on multi-color, multi-material special injection molding machines. Located in the Guangdong-Hong Kong-Macau Greater Bay Area, the company operates the Haishen brand injection molding machines, boasting nearly 20 years of rich experience in the color blending injection molding field. Throughout its development efforts, the company continues to delve into technology and foster innovation in response to the needs of a wide customer base and the market. With independent research and development capabilities, the company not only possesses various precision processing machinery and technologies but also boasts a team of outstanding mechanical designers, manufacturers, and managers. Driven by comprehensive and extensive management experience, the company promotes steady growth. Our mixed dual-color injection molding machines, mixed triple-color injection molding machines, gradient color injection molding machines, and core sandwich injection molding machines have received widespread acclaim from customers.

To meet our customers' diverse new production needs, we prioritize their success above all. We boast a forward-thinking team that tirelessly provides comprehensive, one-stop production process solutions to a wide range of customers.