Overview - The demand for CBN (Cubic Boron Nitride) grinding wheels is increasing due to the high-end and intelligent development of China's manufacturing industry, particularly in aerospace, automotive manufacturing, and emerging industries like new energy vehicles and 5G communication [1][10] - The market size of China's CBN grinding wheel industry is projected to reach 893 million yuan in 2024, with a year-on-year growth of 4.44% [1][10] Industry Background - China's manufacturing industry is rapidly growing, with a reported industrial added value of 40.5442 trillion yuan in 2024, a 5.7% increase from the previous year, and manufacturing growth at 6.1% [5] - The expansion of high-end manufacturing sectors is driving the demand for CBN grinding wheels, supported by increased R&D investments from universities and research institutions in collaboration with CBN wheel manufacturers [5] Industry Chain - The CBN grinding wheel industry consists of upstream raw material suppliers (like cubic boron nitride), binder suppliers (metal, resin, ceramic powders), and production equipment suppliers [8] Competitive Landscape - The CBN grinding wheel market is becoming increasingly competitive, with numerous companies entering the space. Key players include Anhui Weiming Wear-resistant Materials Co., Ltd., Jiangsu Saiyang Precision Technology Co., Ltd., and others [12] - As of April 22, 2025, Anhui Weiming leads in patent applications for CBN grinding wheels with 23 applications, followed closely by Jiangsu Saiyang with 22 applications [12] Company Analysis - **Kunshan Xinlun Superhard Tools Co., Ltd.**: A high-tech enterprise focusing on ceramic CBN superhard tools, widely used in various industries including automotive and aerospace, with products exported to high-end markets [14] - **Jiangxi Zhenxin Grinding Wheel Co., Ltd.**: Specializes in resin-bonded tools, leading in sales of double-sided resin wheels in Jiangxi, with applications in automotive manufacturing and other sectors [16] Development Trends - Future advancements in CBN grinding wheels will focus on improving grinding efficiency and precision through enhanced material formulations and manufacturing processes [18] - The industry is expected to move towards green production practices, developing eco-friendly binders and energy-saving production methods to reduce waste and emissions [18]

关于南京三超新材料股份有限公司 申请向特定对象发行股票审核问询函的回复 天衡专字 (2023) 00076 号 天衡会计师事务所（特殊普通合伙） 您可使用手机"扫一扫"或进入"注册会计师行业统一监管平台（http://ac.mof.gov.cn）"进行查 您可使用手机"扫一扫"或进入"注册会计师行业统一监管平台（http://ac.mof.gov.cn）"进行查询 " 2-1 关于南京三超新材料股份有限公司 申请向特定对象发行股票审核问询函的回复 天衡专字(2023)00076 号 深圳证券交易所: 根据贵所于 2022年 12月 8日出具的《关于南京三超新材料股份有限公司申请向 特定对象发行股票的审核问询函》(审核函(2022 ) 020282 号)(以下简称"问询 函"),天衡会计师事务所(特殊普通合伙)(以下简称"会计师")作为南京三超新材 料股份有限公司(以下简称"公司"、"三超新材"或"发行人")申请向特定对象发行股 票的会计师,对问询函中提出的需由会计师进行核查的有关问题逐条回复如下: 除另有说明外,本问询函回复使用的简称与《南京三超新材料股份有限公司 2022 年度向特定对象发行 A 股股票募集 ...