... China Shanghai) Chemical Fiber Co.,Ltd.;Nisshoku Chemical Industry (Zhangjiagang) CO., LTD.(Japanese invested);American ... Corp. Lianyungang Dewei Machine Co., Ltd.;Putian Zhenglong Trade Co., Ltd.;Beijing Ray Applied ... Research Center;Etelux Inertgas hsystem(Beijing) Co., Ltd.;Archiland(Changzhou) Chemical Corp.(American);Parker International Trade (Shanghai) Co ...