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Shanghai Fuyou International Trading Co., Ltd.
Shanghai Mountains Import and Export Co.,Ltd
Wenzhou Jujing Pipe&Valve Fittings Co., Ltd
Qingzhou Zhongyuan Chemical Industry Co., Ltd.
ZHENGZHOU MEIYA CHEMICAL PRODUCTS CO., LTD.
Zibo Qingxin Chemicals Co., Ltd.
Xuzhou First Chemical Co., Ltd.
Balikun Hasake Chemical Plant
Qingdao Twell Sansino Import & Export Co., Ltd.
WEIFANG LONGHONG CHEMICAL CO., LTD.
Sure Chemical Co., Ltd. Shijiazhuang
Jinan ZZ International Trade Co., Ltd.
SHANDONG KAITEDA CHEMICAL CO., LTD.
Xilong Scientific Co., Ltd.