... Fiber Co.,Ltd.;Nisshoku Chemical Industry (Zhangjiagang) CO., LTD.(Japanese invested);American Modern Chemical (Changzhou) CO., LTD.;Sandaya Refined Chemical (Nantong) Co. Ltd (Japanese ... 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., Ltd ...