Stiefler GmbH

Risun Coking Group, established in 1995, whose headquarter is located in Advanced Business Park of Beijing, China. With thirteen-year’s development, Risun has already grown into a big independent coke and chemical producers and suppliers in PRC.

Sundyne Corporation designs, manufactures and supports industrial pump and compressor products for the process fluid and gas industries. With manufacturing facilities in the United States, England, France, Germany, and a joint venture in Japan, Sundy

Oswald Metzen is your partner, reliable and future-oriented, who looks after all phases of the plant construction.