002386SZSE

Announcement on Subsidiary's Investment in Comprehensive Utilization of Waste Salt to Produce 200,000 Tons/Year of Ion-Exchange Membrane Caustic Soda Project

Yibin Tianyuan Group Co., Ltd.·April 13, 2026

✨ AI Summary

Yibin Tianyuan Group Co., Ltd. announces its subsidiary will invest in a project to utilize waste salt and produce 200,000 tons/year of ion-exchange membrane caustic soda. The project aims to treat waste salt from titanium dioxide production, secure chlorine supply, and enhance the chlor-titanium industrial chain. Total investment is 930.83 million RMB, with a payback period of 6.32 years.

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Securities Code: 002386 Bond Code: 524174.SZ Securities Abbreviation: Tianyuan Shares Announcement No.: 2026-040 Bond Abbreviation: 25 Tianyuan K1

Yibin Tianyuan Group Co., Ltd. Announcement on Subsidiary's Investment in Comprehensive Utilization of Waste Salt to Produce 200,000 Tons/Year of Ion-Exchange Membrane Caustic Soda Project

The Company and all members of the Board of Directors guarantee the information disclosed is true, accurate, and complete, and that there are no false records, misleading statements, or material omissions.

I. Investment Overview

(I) Basic Situation of External Investment

Ion-exchange membrane caustic soda is a main product of Yibin Tianyuan Group Co., Ltd. (hereinafter referred to as the "Company"). The industry belongs to the chlor-alkali industry, which is within the Company's primary business scope and also supports the Company's "one body, two wings" strategy. In recent years, Yibin City's new energy lithium battery and photovoltaic industries have developed rapidly, creating a significant increase in demand for caustic soda.

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