International Sales Division

Established in 1992, Long Mark Optoelectronics Co., Ltd. , a foreign enterprise owned by Toply Holdings Co., Ltd. in Hong Kong, specializes in manufacturing LED optoelectronic devices. 

The factory is set up in Zhong Shan, historically famous as the hometown of Dr. Sun Yat-sen and situated on the Pearl River Delta in Guangdong Province of China. 


During years of untiring efforts, we have never ceased to expand ever since it laid the foundations of its factory. We have now a comprehensive sales and marketing network, with offices in more than 10 major cities in China with Hong Kong being our International Sales Division. 

 International Sales Division:

Longmark Technologies Ltd.
21/F., Chinaweal Center
414 Jaffe Road
Wanchai, Hong Kong
Special Administrative Region of China [SAR]

Tel: (852) 2891-7523    Fax: (852) 2834-7890
Email:sales@moving-sign-board.com


(c) Copyright 2000 Long Mark Optoelectronics Co., Ltd.