特级a欧美**毛片,欧美第一区,亚洲六九视频,国产成人美女视频,国产又大又猛又爽又黄的视频,日本精品久久久影院,91热

Jiangmen Kelson Industries Ltd. is a technology development company, which has a good contingent of scientific research, scientific and technical personnel account for employees in more than 30%. The company has "Motor Research and development center", managed by the general manager of the company personally. The R & D of Kelson contains  the experienced personnel of motor development, motor manufacturing, automatic control, electronic engineering, financial and financial aspects. The Center has more than 400 square meters of Motor Research and development laboratories, which covers a variety of R & D equipment and testing equipment，These advanced technique offered Kelson the powerful ability to develop our motor products.