DFG Fernsprecher GmbH

Hodogaya Chemical Co. Ltd has been in business for over 80 years supplying a wide range of fine chemicals such as dyestuffs, agrochemicals, imaging chemicals and specialty polymers as well as intermediates for pharmaceuticals and agrochemicals.

Shenzhen Changlong Technology Co., Ltd. is an enterprising technology-based private enterprise established in 2003. It has been committed to the research and development of environmental protection technology and technical services, serving customers

Hangzhou Wanjing New Materials Co., Ltd. is a high-tech enterprise engaged in research, production, and application of nanotechnology. The company currently has 130 professional and technical personnel, forming a strong force in the research and deve