LTOPTO located in the Hi-tech Development Zone, Xi' an, China. We are one of the Oled intermediates professional manufacturer in China. Our R& D team has more than one hundred professional technicians and well-equipped with 2000M2 area of standard lab. Which focuses on the following products:

1. Pharmaceutical Intermediates;
2. OLED Crude finished products and Intermediates mainly about Furan, Thienyl, Bronic acid, Carbazole, Fluorene, Anthracene, Naphthaline, Aniline derivatives.;
3. Liquid Crystals Intermediates;
4. Precious metal catalyst such as Palladium Serials, Platinum Serials.
5. Other special chemical as clients' request

LTOPTO has already possessed the certifications of ISO 9001, ISO 14001 and OHSAS18001. We are looking forward to get detailed inquiry from you and hope we can have a chance to cooperation.