The annual ranking is based on the operating revenue of participating private enterprises. The 2026 ranking reflects the scale and business performance of China's leading private enterprises based on the latest reporting period used by the ACFIC.
Founded in 1992 and established as a group in 1997, ZHINK Group is a diversified industrial group with two principal business areas: polyethylene terephthalate (PET) and textile.
The Group's industrial operations extend across Zhejiang, Chongqing, Shandong and Sichuan, with business activities covering multiple markets worldwide. Its portfolio includes Wankai New Materials and other businesses spanning polyester materials, textile-related products and downstream applications.
As a core company within ZHINK Group's PET industry, Wankai New Materials specializes in the research and development, production and sales of polyester materials. Wankai currently has approximately 3 million tonnes per year of bottle-grade PET resin production capacity, with products serving applications including bottled water, carbonated beverages, hot-fill beverages, edible oils, alcoholic beverages, films, sheets and other downstream sectors.
Wankai's PET products are supplied to customers in more than 100 countries and regions, supporting a broad range of beverage, food packaging and other applications.
Beyond bottle-grade PET resin, ZHINK Group continues to develop its polyester-related industrial chain, with businesses and projects covering upstream raw materials, polyester materials and downstream applications. This integrated industrial structure supports the Group's continued development across the polyester industry.
The continued improvement in ZHINK Group's position in the 2026 rankings comes as the Group advances the implementation of its “ZHINK 2030” strategy, focusing on industrial upgrading, innovation and global development.
The Group continues to strengthen its industrial capabilities, improve operational efficiency and develop new growth opportunities across its business segments. For Wankai New Materials, this broader industrial platform provides continued support for the development of its polyester materials business and international market presence.
Looking ahead, ZHINK Group will continue to advance industrial upgrading through technological development while working to improve quality, efficiency and operational capabilities. Wankai New Materials will continue to contribute to the Group's development in the PET industry and support the broader development of its polyester materials business in international markets.