Grasso Refrigeration Technology GmbH

If our Customers associate ZETKAMA with certainty, safety and loyalty, our main objective will be met. We want to be trustworthy, able to offer the highest quality service to our Customers. We want to become the leader in the manufacturing o...

Nanjing Zhengsen Enviroment Technology Co., Ltd., Nanjing Zhengsen Charcoal King Activated Carbon Co., Ltd., Jiangsu Province, China

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.