登录新浪财经APP 搜索【信披】查看更多考评等级 转自：经济导报 文|经济导报 刘勇 天一化学核心优势在于其溴系阻燃剂产品，其四溴双酚A、十溴二苯乙烷等产品在国内市场占有率超过 50%，部分水性功能单体在国际市场占有率高达70%以上，是细分领域的"隐形冠军"。 经济导报注意到，2022年天一化学曾开启上市辅导，但2023年终止了上市辅导。 近日，亚星化学(600319.SH)发布公告称，公司正在筹划以发行股份及支付现金方式购买山东天一化学 股份有限公司(下称"天一化学")控制权，或同步收购其他股东所持标的公司股份，同时拟发行股份募集 配套资金，本次交易预计构成重大资产重组及关联交易。 亚星化学在公告中表示，本次交易尚处于筹划阶段，有关事项存在不确定性。为了维护投资者利益，保 证公平信息披露，避免对公司股价造成重大影响，根据上海证券交易所的相关规定，经公司申请，公司 股票自2025年11月4日开市起停牌，预计停牌时间不超过10个交易日。 细分领域"隐形冠军" 天一化学成立于2002年11月，是一家以从事化学原料和化学制品制造业为主的企业，注册地山东省潍坊 市，注册资本8979.94万元，法定代表人李茂桉。 从股 ...

Core Viewpoint - Yaxing Chemical is planning to acquire control of Shandong Tianyi Chemical Co., Ltd. through a combination of share issuance and cash payment, which is expected to constitute a major asset restructuring and related party transaction [1][2] Group 1: Transaction Details - The transaction is currently in the planning stage, with the preliminary counterparty being the controlling shareholder of Tianyi Chemical, Shandong Tianyi Holding Group Co., Ltd. [2] - The company has announced that this transaction will not lead to a change in the actual controller and does not constitute a restructuring listing [2] - Yaxing Chemical's stock will be suspended from trading starting November 4, with an expected suspension period of no more than 10 trading days [2] Group 2: Tianyi Chemical Overview - Tianyi Chemical, established in November 2002, has a registered capital of 897.994 million yuan and specializes in the research, development, and production of bromine series products [3] - The company has an annual production capacity of over 60,000 tons and an annual output value of 1 billion yuan, with products exported globally [3] - Tianyi Chemical holds a market share of over 50% in domestic brominated flame retardants and up to 70% in certain water-based functional monomers in the international market, positioning it as a "hidden champion" in its niche [3] Group 3: Strategic Implications - The acquisition is expected to enhance Yaxing Chemical's business diversification and synergy by integrating Tianyi Chemical's leading position and technical advantages in the bromine chemical sector, potentially improving long-term profitability and boosting market confidence [3] - Investors are advised to pay close attention to the valuation of the target assets, financing feasibility, and regulatory approval processes [3] Group 4: Company Developments - Yaxing Chemical has been active recently, with its core products, including chlorinated polyethylene, caustic soda, and hydrogen peroxide, generating a total revenue of 626 million yuan in the third quarter of 2025 [4] - The company is progressing steadily with its 45,000 tons/year high-end new materials project, with equipment installation nearly complete and expected to commence production in the fourth quarter [4]