Ronbay Technology
{{Infobox company
| name = Ronbay Technology
| native_name = 容百科技
| native_name_lang = zh
| industry = Lithium-ion batteries
| founded = {{Start date and age|2014|09|18}} in Zunyi, China
| founder = {{Unbulleted list|Bai Houshan|Liu Xianglie}}
| revenue = CNY 2.1 billion
| revenue_year = 2023
| num_employees = 4380
| num_employees_year = 2024
}}
Ningbo Ronbay New Energy Technology Co Ltd, usually known as Ronbay Technology, is a Chinese company and one of the world's biggest manufacturers of cathode active material for lithium-ion batteries.{{Cite news |last1=Li |first1=Gloria |last2=White |first2=Edward |last3=Buseong |first3=Kang |date=2023-05-30 |title=The billionaire whose electrode empire powers China's EV dominance |url=https://www.ft.com/content/33918e1f-4fb8-496c-bdc4-e1f34fae9377 |access-date=2024-11-09 |work=Financial Times}}
Ronbay was founded on September 18, 2014{{Cite web |title=Ronbay Technology {{!}} Briefing |url=https://equalocean.com/company/ronbay |access-date=2024-11-09 |website=Equal Ocean}}{{Cite web |title=Ningbo Ronbay New Energy Technology Co Ltd |url=https://markets.ft.com/data/equities/tearsheet/profile?s=688005:SHH |access-date=2024-11-09 |website=Financial Times}} in Zunyi{{Cite web |title=China's Ronbay Starts Building Battery Material Plant - World-Energy |url=https://www.world-energy.org/article/18450.html |access-date=2024-11-09 |website=www.world-energy.org}} by Bai Houshan and Liu Xianglie.{{Cite press release |last= |title=Ronbay Announces its Global Development Strategy to Implement a Project of 40,000-Ton-per-annum High-nickel Ternary Cathode and 20,000-Ton-per-annum Lithium Ferromanganese Phosphate in Korea |url=https://www.prnewswire.com/apac/news-releases/ronbay-announces-its-global-development-strategy-to-implement-a-project-of-40-000-ton-per-annum-high-nickel-ternary-cathode-and-20-000-ton-per-annum-lithium-ferromanganese-phosphate-in-korea-301905035.html |access-date=2024-11-09 |website=www.prnewswire.com |language=en}} The company listed on the Shanghai Stock Exchange STAR Market on July 22, 2019, the market's first day of operation.{{Cite news |last=Lockett |first=Hudson |date=2019-07-19 |title='China's Nasdaq': Shanghai's new tech trading venue explained |url=https://www.ft.com/content/3a3115d4-a86c-11e9-984c-fac8325aaa04 |access-date=2024-11-09 |work=Financial Times}} As of 2023, the company had a 30% market share in lithium nickel manganese cobalt oxides (NMC) with high nickel contents, which are widely used in electric vehicles.
Ronbay's main production sites are in Ezhou, Xiantao and Zunyi in China, as well as in Chungju, South Korea.{{Cite web |date=2023-06-07 |title=Ronbay Technology and EVE Establish Strategic Partnership |url=https://www.energytrend.com/news/20230607-32342.html |access-date=2024-11-09 |website=www.energytrend.com}} In 2022, the company began building further production sites in South Korea to circumvent U.S. trade restrictions put in place by the Inflation Reduction Act.{{Cite news |last1=Li |first1=Gloria |last2=Davies |first2=Christian |last3=White |first3=Edward |last4=Jung-a |first4=Song |date=2023-08-22 |title=China's cathode billionaire targets US battery market via South Korea IPO |url=https://www.ft.com/content/40f8934c-c3c9-46b6-8f6f-5f3da69a119f |access-date=2024-11-09 |work=Financial Times}}{{Cite news |date=2023-07-30 |title=Chinese Firms Are Seeking Korean Partners to Skirt US EV Rules |url=https://www.bloomberg.com/news/articles/2023-07-30/chinese-firms-are-seeking-korean-partners-to-skirt-us-ev-rules |access-date=2024-11-09 |work=Bloomberg |language=en}} It also announced plans to expand into Indonesia{{Cite web |title=容百科技发布全球化战略规划：在中韩欧美全球多地布局生产基地 |url=http://www.eeo.com.cn/2023/0810/600926.shtml |access-date=2024-11-09 |website=经济观察网 |language=Chinese}} and Poland.{{Cite web |date=2024-10-25 |title=Ningbo Ronbay to enter cathode production in Europe with Polish factory |url=https://source.benchmarkminerals.com/article/ningbo-ronbay-to-enter-cathode-production-in-europe-with-polish-factory |access-date=2024-11-09 |website=Benchmark Source |language=en}}
In 2024, LG Chem sued Ronbay's South Korean subsidiary, Jaesae Neungwon, alleging it had infringed on five of LG Chem's patents for NMC materials.{{Cite web |last=Jae-hyuk |first=Park |date=2024-10-23 |title=LG Chem files patent suit against China's Ronbay |url=https://www.koreatimes.co.kr/www/tech/2024/11/129_384839.html |access-date=2024-11-09 |website=The Korea Times |language=en}}