Frei Fördertechnik AG

Alcoa is the world's leading producer and manager of primary aluminum, fabricated aluminum and alumina facilities, and is active in all major aspects of the industry. Alcoa serves the aerospace, automotive, packaging, building and construction, comme

Shanghai Sam Environmental Protection Equipment Co., Ltd. is located in Jinqiao Export Processing Zone, Pudong, Shanghai. It is a high-tech environmental protection enterprise mainly engaged in the production and development of filtration products. T