Comercial Química del Noroeste, S.A. de C.V.

Changzhou Changyu Chemical Co., Ltd. was founded in 1983 and is located in Changzhou National High tech Industrial Development Zone. It is adjacent to the intersection of Changzhou Station on the Shanghai Nanjing Expressway to the south and the Chang

Continental-Caoutchouc- und Gutta-Percha Compagnie is founded in Hanover. Production of technical rubber products and medical articles launched. Pneumatic tires for bikes and rubber hot water bottles become classics of their kind.