Xian Caijing Opto-Electrical Science & Technology (also known as CJOE), based in Xi'an, China, is a producer of chemicals for a wide range of markets, including pharmaceutical intermediates, liquid crystal intermediates, opto-electrical materials and fine chemicals.

For the OLED industry, CJOE offers offers OLED intermediates.

Yurui Chemical, based in Shanghai and a subcompany of Ruiyuan Group, is an organic material manufacturing companythat has been specialized in organic synthesis for over 10 years.

Yurui's product-range includes OLED, OPV, organic intermediates and precious metal compound such as boronic acid, fluorine, carbazole, palladium and iridium series. The company also produces customized materials.

Switzerland-based Zeochem, established in 1818, is a high quality chemical developer that produces molecular sieves, Deuterium labeled compounds, specialty Zeolites and chromatography gels.

For the OLED industry, Zeochem provides under the brand name ZEOtope a large selection of Deuterated Reagents, used for the production of deuterium labeled blue OLED emitter materials.

Zeon Corporation, established in 1950 in Japan, develops and produces chemicals, plastics, rubbers and other materials for a wide range of industries.

Zeon has two products for the OLED market: ZeoCoat, a high-performance coatable organic insulator and ZeonorFilm, a flexible retardation film that enables low-reflectance with improved contrast used for both OLED TVs and mobile OLED displays.

In late 2017 Zeon announced it is expanding its ZeonorFilm production capacity as demand from OLED panel makers grows.

Zhengzhou HQ Material is a chemical producer based in China. The company produces intermediate materials mainly for the pharmaceutical and OLED industries.

The company also supplies material such as boric acid, fluorene, anthracene, carbazole, thiophene, organic phosphine compounds and more.